256363380

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:125

約数の個数: 480

約数和(自身を含む): 1038191616

約数和(自身を除く): 781828236

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 35, 36, 37, 39, 42, 45, 47, 52, 54, 60, 63, 65, 70, 74, 78, 81, 84, 90, 91, 94, 105, 108, 111, 117, 126, 130, 135, 140, 141, 148, 156, 162, 180, 182, 185, 188, 189, 195, 210, 222, 234, 235, 252, 259, 260, 270, 273, 282, 315, 324, 329, 333, 351, 364, 370, 378, 390, 405, 420, 423, 444, 455, 468, 470, 481, 518, 540, 546, 555, 564, 567, 585, 611, 630, 658, 666, 702, 705, 740, 756, 777, 780, 810, 819, 846, 910, 940, 945, 962, 987, 999, 1036, 1053, 1092, 1110, 1134, 1170, 1222, 1260, 1269, 1295, 1316, 1332, 1365, 1404, 1410, 1443, 1554, 1620, 1638, 1645, 1665, 1692, 1739, 1755, 1820, 1833, 1890, 1924, 1974, 1998, 2106, 2115, 2220, 2268, 2331, 2340, 2405, 2444, 2457, 2538, 2590, 2730, 2820, 2835, 2886, 2961, 2997, 3055, 3108, 3276, 3290, 3330, 3367, 3478, 3510, 3666, 3780, 3807, 3885, 3948, 3996, 4095, 4212, 4230, 4277, 4329, 4662, 4810, 4914, 4935, 4995, 5076, 5180, 5217, 5265, 5460, 5499, 5670, 5772, 5922, 5994, 6110, 6345, 6580, 6660, 6734, 6956, 6993, 7020, 7215, 7332, 7371, 7614, 7770, 8190, 8460, 8554, 8658, 8695, 8883, 9165, 9324, 9620, 9828, 9870, 9990, 10101, 10434, 10530, 10998, 11340, 11655, 11844, 11988, 12173, 12220, 12285, 12690, 12831, 12987, 13468, 13986, 14430, 14742, 14805, 14985, 15228, 15540, 15651, 16380, 16497, 16835, 17108, 17316, 17390, 17766, 18330, 19035, 19740, 19980, 20202, 20868, 20979, 21060, 21385, 21645, 21996, 22607, 23310, 24346, 24570, 25380, 25662, 25974, 26085, 26649, 27495, 27972, 28860, 29484, 29610, 29970, 30303, 31302, 32994, 33670, 34780, 34965, 35532, 36519, 36660, 36855, 38070, 38493, 38961, 40404, 41958, 42770, 43290, 44415, 45214, 46620, 46953, 48692, 49140, 49491, 50505, 51324, 51948, 52170, 53298, 54990, 59220, 59940, 60606, 60865, 62604, 64155, 64935, 65988, 67340, 67821, 69930, 73038, 73710, 76140, 76986, 77922, 78255, 82485, 83916, 85540, 86580, 88830, 90428, 90909, 93906, 98982, 101010, 104340, 104895, 106596, 109557, 109980, 113035, 115479, 121212, 121730, 128310, 129870, 133245, 135642, 139860, 140859, 146076, 147420, 151515, 153972, 155844, 156510, 158249, 164970, 177660, 181818, 182595, 187812, 192465, 194805, 197964, 202020, 203463, 209790, 219114, 226070, 230958, 234765, 243460, 247455, 256620, 259740, 266490, 271284, 272727, 281718, 303030, 313020, 316498, 328671, 329940, 339105, 346437, 363636, 365190, 384930, 389610, 406926, 419580, 438228, 452140, 454545, 461916, 469530, 474747, 494910, 532980, 545454, 547785, 563436, 577395, 606060, 610389, 632996, 657342, 678210, 692874, 704295, 730380, 769860, 779220, 791245, 813852, 909090, 939060, 949494, 986013, 989820, 1017315, 1090908, 1095570, 1154790, 1220778, 1314684, 1356420, 1363635, 1385748, 1408590, 1424241, 1582490, 1643355, 1732185, 1818180, 1831167, 1898988, 1972026, 2034630, 2191140, 2309580, 2373735, 2441556, 2727270, 2817180, 2848482, 3051945, 3164980, 3286710, 3464370, 3662334, 3944052, 4069260, 4272723, 4747470, 4930065, 5454540, 5696964, 6103890, 6573420, 6928740, 7121205, 7324668, 8545446, 9155835, 9494940, 9860130, 12207780, 12818169, 14242410, 17090892, 18311670, 19720260, 21363615, 25636338, 28484820, 36623340, 42727230, 51272676, 64090845, 85454460, 128181690, 256363380]

約数ペア:

[(1, 256363380), (2, 128181690), (3, 85454460), (4, 64090845), (5, 51272676), (6, 42727230), (7, 36623340), (9, 28484820), (10, 25636338), (12, 21363615), (13, 19720260), (14, 18311670), (15, 17090892), (18, 14242410), (20, 12818169), (21, 12207780), (26, 9860130), (27, 9494940), (28, 9155835), (30, 8545446), (35, 7324668), (36, 7121205), (37, 6928740), (39, 6573420), (42, 6103890), (45, 5696964), (47, 5454540), (52, 4930065), (54, 4747470), (60, 4272723), (63, 4069260), (65, 3944052), (70, 3662334), (74, 3464370), (78, 3286710), (81, 3164980), (84, 3051945), (90, 2848482), (91, 2817180), (94, 2727270), (105, 2441556), (108, 2373735), (111, 2309580), (117, 2191140), (126, 2034630), (130, 1972026), (135, 1898988), (140, 1831167), (141, 1818180), (148, 1732185), (156, 1643355), (162, 1582490), (180, 1424241), (182, 1408590), (185, 1385748), (188, 1363635), (189, 1356420), (195, 1314684), (210, 1220778), (222, 1154790), (234, 1095570), (235, 1090908), (252, 1017315), (259, 989820), (260, 986013), (270, 949494), (273, 939060), (282, 909090), (315, 813852), (324, 791245), (329, 779220), (333, 769860), (351, 730380), (364, 704295), (370, 692874), (378, 678210), (390, 657342), (405, 632996), (420, 610389), (423, 606060), (444, 577395), (455, 563436), (468, 547785), (470, 545454), (481, 532980), (518, 494910), (540, 474747), (546, 469530), (555, 461916), (564, 454545), (567, 452140), (585, 438228), (611, 419580), (630, 406926), (658, 389610), (666, 384930), (702, 365190), (705, 363636), (740, 346437), (756, 339105), (777, 329940), (780, 328671), (810, 316498), (819, 313020), (846, 303030), (910, 281718), (940, 272727), (945, 271284), (962, 266490), (987, 259740), (999, 256620), (1036, 247455), (1053, 243460), (1092, 234765), (1110, 230958), (1134, 226070), (1170, 219114), (1222, 209790), (1260, 203463), (1269, 202020), (1295, 197964), (1316, 194805), (1332, 192465), (1365, 187812), (1404, 182595), (1410, 181818), (1443, 177660), (1554, 164970), (1620, 158249), (1638, 156510), (1645, 155844), (1665, 153972), (1692, 151515), (1739, 147420), (1755, 146076), (1820, 140859), (1833, 139860), (1890, 135642), (1924, 133245), (1974, 129870), (1998, 128310), (2106, 121730), (2115, 121212), (2220, 115479), (2268, 113035), (2331, 109980), (2340, 109557), (2405, 106596), (2444, 104895), (2457, 104340), (2538, 101010), (2590, 98982), (2730, 93906), (2820, 90909), (2835, 90428), (2886, 88830), (2961, 86580), (2997, 85540), (3055, 83916), (3108, 82485), (3276, 78255), (3290, 77922), (3330, 76986), (3367, 76140), (3478, 73710), (3510, 73038), (3666, 69930), (3780, 67821), (3807, 67340), (3885, 65988), (3948, 64935), (3996, 64155), (4095, 62604), (4212, 60865), (4230, 60606), (4277, 59940), (4329, 59220), (4662, 54990), (4810, 53298), (4914, 52170), (4935, 51948), (4995, 51324), (5076, 50505), (5180, 49491), (5217, 49140), (5265, 48692), (5460, 46953), (5499, 46620), (5670, 45214), (5772, 44415), (5922, 43290), (5994, 42770), (6110, 41958), (6345, 40404), (6580, 38961), (6660, 38493), (6734, 38070), (6956, 36855), (6993, 36660), (7020, 36519), (7215, 35532), (7332, 34965), (7371, 34780), (7614, 33670), (7770, 32994), (8190, 31302), (8460, 30303), (8554, 29970), (8658, 29610), (8695, 29484), (8883, 28860), (9165, 27972), (9324, 27495), (9620, 26649), (9828, 26085), (9870, 25974), (9990, 25662), (10101, 25380), (10434, 24570), (10530, 24346), (10998, 23310), (11340, 22607), (11655, 21996), (11844, 21645), (11988, 21385), (12173, 21060), (12220, 20979), (12285, 20868), (12690, 20202), (12831, 19980), (12987, 19740), (13468, 19035), (13986, 18330), (14430, 17766), (14742, 17390), (14805, 17316), (14985, 17108), (15228, 16835), (15540, 16497), (15651, 16380)]