256103640

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:116

約数の個数: 512

約数和(自身を含む): 1034208000

約数和(自身を除く): 778104360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 17, 18, 20, 24, 26, 27, 29, 30, 34, 36, 37, 39, 40, 45, 51, 52, 54, 58, 60, 65, 68, 72, 74, 78, 85, 87, 90, 102, 104, 108, 111, 116, 117, 120, 130, 135, 136, 145, 148, 153, 156, 170, 174, 180, 185, 195, 204, 216, 221, 222, 232, 234, 255, 260, 261, 270, 290, 296, 306, 312, 333, 340, 348, 351, 360, 370, 377, 390, 408, 435, 442, 444, 459, 468, 481, 493, 510, 520, 522, 540, 555, 580, 585, 612, 629, 663, 666, 680, 696, 702, 740, 754, 765, 780, 783, 870, 884, 888, 918, 936, 962, 986, 999, 1020, 1044, 1073, 1080, 1105, 1110, 1131, 1160, 1170, 1224, 1258, 1305, 1326, 1332, 1404, 1443, 1479, 1480, 1508, 1530, 1560, 1566, 1665, 1740, 1755, 1768, 1836, 1885, 1887, 1924, 1972, 1989, 1998, 2040, 2088, 2146, 2210, 2220, 2262, 2295, 2340, 2405, 2465, 2516, 2610, 2652, 2664, 2808, 2886, 2958, 3016, 3060, 3132, 3145, 3219, 3315, 3330, 3393, 3480, 3510, 3672, 3770, 3774, 3848, 3915, 3944, 3978, 3996, 4292, 4329, 4420, 4437, 4440, 4524, 4590, 4680, 4810, 4930, 4995, 5032, 5220, 5304, 5365, 5655, 5661, 5772, 5916, 5967, 6120, 6264, 6290, 6409, 6438, 6630, 6660, 6786, 7020, 7215, 7395, 7540, 7548, 7830, 7956, 7992, 8177, 8584, 8658, 8840, 8874, 9048, 9180, 9435, 9620, 9657, 9860, 9945, 9990, 10179, 10440, 10730, 11310, 11322, 11544, 11832, 11934, 12580, 12818, 12876, 12987, 13260, 13311, 13320, 13572, 13949, 14040, 14430, 14790, 15080, 15096, 15660, 15912, 16095, 16354, 16965, 16983, 17316, 17748, 18241, 18360, 18870, 19227, 19240, 19314, 19720, 19890, 19980, 20358, 21460, 21645, 22185, 22620, 22644, 23868, 24531, 25160, 25636, 25752, 25974, 26520, 26622, 27144, 27898, 28305, 28860, 28971, 29580, 29835, 31320, 32045, 32190, 32708, 33930, 33966, 34632, 35496, 36482, 37740, 38454, 38628, 39780, 39960, 40716, 40885, 41847, 42920, 43290, 44370, 45240, 45288, 47736, 48285, 49062, 50895, 51272, 51948, 53244, 54723, 55796, 56610, 57681, 57720, 57942, 59160, 59670, 64090, 64380, 64935, 65416, 66555, 67860, 67932, 69745, 72964, 73593, 75480, 76908, 77256, 79560, 81432, 81770, 83694, 84915, 86580, 88740, 91205, 96135, 96570, 98124, 101790, 103896, 106488, 109446, 111592, 113220, 115362, 115884, 119340, 122655, 125541, 128180, 128760, 129870, 133110, 135720, 135864, 139490, 144855, 145928, 147186, 153816, 163540, 164169, 167388, 169830, 173043, 173160, 177480, 182410, 192270, 193140, 196248, 203580, 209235, 218892, 220779, 226440, 230724, 231768, 237133, 238680, 245310, 251082, 256360, 259740, 266220, 273615, 278980, 288405, 289710, 294372, 327080, 328338, 334776, 339660, 346086, 364820, 367965, 376623, 384540, 386280, 407160, 418470, 437784, 441558, 461448, 474266, 490620, 492507, 502164, 519480, 532440, 547230, 557960, 576810, 579420, 588744, 627705, 656676, 679320, 692172, 711399, 729640, 735930, 753246, 769080, 820845, 836940, 865215, 883116, 948532, 981240, 985014, 1004328, 1094460, 1103895, 1153620, 1158840, 1185665, 1255410, 1313352, 1384344, 1422798, 1471860, 1506492, 1641690, 1673880, 1730430, 1766232, 1883115, 1897064, 1970028, 2134197, 2188920, 2207790, 2307240, 2371330, 2462535, 2510820, 2845596, 2943720, 3012984, 3283380, 3460860, 3556995, 3766230, 3940056, 4268394, 4415580, 4742660, 4925070, 5021640, 5691192, 6402591, 6566760, 6921720, 7113990, 7532460, 8536788, 8831160, 9485320, 9850140, 10670985, 12805182, 14227980, 15064920, 17073576, 19700280, 21341970, 25610364, 28455960, 32012955, 42683940, 51220728, 64025910, 85367880, 128051820, 256103640]

約数ペア:

[(1, 256103640), (2, 128051820), (3, 85367880), (4, 64025910), (5, 51220728), (6, 42683940), (8, 32012955), (9, 28455960), (10, 25610364), (12, 21341970), (13, 19700280), (15, 17073576), (17, 15064920), (18, 14227980), (20, 12805182), (24, 10670985), (26, 9850140), (27, 9485320), (29, 8831160), (30, 8536788), (34, 7532460), (36, 7113990), (37, 6921720), (39, 6566760), (40, 6402591), (45, 5691192), (51, 5021640), (52, 4925070), (54, 4742660), (58, 4415580), (60, 4268394), (65, 3940056), (68, 3766230), (72, 3556995), (74, 3460860), (78, 3283380), (85, 3012984), (87, 2943720), (90, 2845596), (102, 2510820), (104, 2462535), (108, 2371330), (111, 2307240), (116, 2207790), (117, 2188920), (120, 2134197), (130, 1970028), (135, 1897064), (136, 1883115), (145, 1766232), (148, 1730430), (153, 1673880), (156, 1641690), (170, 1506492), (174, 1471860), (180, 1422798), (185, 1384344), (195, 1313352), (204, 1255410), (216, 1185665), (221, 1158840), (222, 1153620), (232, 1103895), (234, 1094460), (255, 1004328), (260, 985014), (261, 981240), (270, 948532), (290, 883116), (296, 865215), (306, 836940), (312, 820845), (333, 769080), (340, 753246), (348, 735930), (351, 729640), (360, 711399), (370, 692172), (377, 679320), (390, 656676), (408, 627705), (435, 588744), (442, 579420), (444, 576810), (459, 557960), (468, 547230), (481, 532440), (493, 519480), (510, 502164), (520, 492507), (522, 490620), (540, 474266), (555, 461448), (580, 441558), (585, 437784), (612, 418470), (629, 407160), (663, 386280), (666, 384540), (680, 376623), (696, 367965), (702, 364820), (740, 346086), (754, 339660), (765, 334776), (780, 328338), (783, 327080), (870, 294372), (884, 289710), (888, 288405), (918, 278980), (936, 273615), (962, 266220), (986, 259740), (999, 256360), (1020, 251082), (1044, 245310), (1073, 238680), (1080, 237133), (1105, 231768), (1110, 230724), (1131, 226440), (1160, 220779), (1170, 218892), (1224, 209235), (1258, 203580), (1305, 196248), (1326, 193140), (1332, 192270), (1404, 182410), (1443, 177480), (1479, 173160), (1480, 173043), (1508, 169830), (1530, 167388), (1560, 164169), (1566, 163540), (1665, 153816), (1740, 147186), (1755, 145928), (1768, 144855), (1836, 139490), (1885, 135864), (1887, 135720), (1924, 133110), (1972, 129870), (1989, 128760), (1998, 128180), (2040, 125541), (2088, 122655), (2146, 119340), (2210, 115884), (2220, 115362), (2262, 113220), (2295, 111592), (2340, 109446), (2405, 106488), (2465, 103896), (2516, 101790), (2610, 98124), (2652, 96570), (2664, 96135), (2808, 91205), (2886, 88740), (2958, 86580), (3016, 84915), (3060, 83694), (3132, 81770), (3145, 81432), (3219, 79560), (3315, 77256), (3330, 76908), (3393, 75480), (3480, 73593), (3510, 72964), (3672, 69745), (3770, 67932), (3774, 67860), (3848, 66555), (3915, 65416), (3944, 64935), (3978, 64380), (3996, 64090), (4292, 59670), (4329, 59160), (4420, 57942), (4437, 57720), (4440, 57681), (4524, 56610), (4590, 55796), (4680, 54723), (4810, 53244), (4930, 51948), (4995, 51272), (5032, 50895), (5220, 49062), (5304, 48285), (5365, 47736), (5655, 45288), (5661, 45240), (5772, 44370), (5916, 43290), (5967, 42920), (6120, 41847), (6264, 40885), (6290, 40716), (6409, 39960), (6438, 39780), (6630, 38628), (6660, 38454), (6786, 37740), (7020, 36482), (7215, 35496), (7395, 34632), (7540, 33966), (7548, 33930), (7830, 32708), (7956, 32190), (7992, 32045), (8177, 31320), (8584, 29835), (8658, 29580), (8840, 28971), (8874, 28860), (9048, 28305), (9180, 27898), (9435, 27144), (9620, 26622), (9657, 26520), (9860, 25974), (9945, 25752), (9990, 25636), (10179, 25160), (10440, 24531), (10730, 23868), (11310, 22644), (11322, 22620), (11544, 22185), (11832, 21645), (11934, 21460), (12580, 20358), (12818, 19980), (12876, 19890), (12987, 19720), (13260, 19314), (13311, 19240), (13320, 19227), (13572, 18870), (13949, 18360), (14040, 18241), (14430, 17748), (14790, 17316), (15080, 16983), (15096, 16965), (15660, 16354), (15912, 16095)]