20765160

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1$

素因数の和:82

約数の個数: 320

約数和(自身を含む): 82328400

約数和(自身を除く): 61563240

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, 39, 40, 45, 51, 52, 54, 58, 60, 65, 68, 72, 78, 81, 85, 87, 90, 102, 104, 108, 116, 117, 120, 130, 135, 136, 145, 153, 156, 162, 170, 174, 180, 195, 204, 216, 221, 232, 234, 255, 260, 261, 270, 290, 306, 312, 324, 340, 348, 351, 360, 377, 390, 405, 408, 435, 442, 459, 468, 493, 510, 520, 522, 540, 580, 585, 612, 648, 663, 680, 696, 702, 754, 765, 780, 783, 810, 870, 884, 918, 936, 986, 1020, 1044, 1053, 1080, 1105, 1131, 1160, 1170, 1224, 1305, 1326, 1377, 1404, 1479, 1508, 1530, 1560, 1566, 1620, 1740, 1755, 1768, 1836, 1885, 1972, 1989, 2040, 2088, 2106, 2210, 2262, 2295, 2340, 2349, 2465, 2610, 2652, 2754, 2808, 2958, 3016, 3060, 3132, 3240, 3315, 3393, 3480, 3510, 3672, 3770, 3915, 3944, 3978, 4212, 4420, 4437, 4524, 4590, 4680, 4698, 4930, 5220, 5265, 5304, 5508, 5655, 5916, 5967, 6120, 6264, 6409, 6630, 6786, 6885, 7020, 7395, 7540, 7830, 7956, 8424, 8840, 8874, 9048, 9180, 9396, 9860, 9945, 10179, 10440, 10530, 11016, 11310, 11745, 11832, 11934, 12818, 13260, 13311, 13572, 13770, 14040, 14790, 15080, 15660, 15912, 16965, 17748, 17901, 18360, 18792, 19227, 19720, 19890, 20358, 21060, 22185, 22620, 23490, 23868, 25636, 26520, 26622, 27144, 27540, 29580, 29835, 30537, 31320, 32045, 33930, 35496, 35802, 38454, 39780, 39933, 40716, 42120, 44370, 45240, 46980, 47736, 50895, 51272, 53244, 55080, 57681, 59160, 59670, 61074, 64090, 66555, 67860, 71604, 76908, 79560, 79866, 81432, 88740, 89505, 93960, 96135, 101790, 106488, 115362, 119340, 122148, 128180, 133110, 135720, 143208, 152685, 153816, 159732, 173043, 177480, 179010, 192270, 199665, 203580, 230724, 238680, 244296, 256360, 266220, 288405, 305370, 319464, 346086, 358020, 384540, 399330, 407160, 461448, 519129, 532440, 576810, 610740, 692172, 716040, 769080, 798660, 865215, 1038258, 1153620, 1221480, 1384344, 1597320, 1730430, 2076516, 2307240, 2595645, 3460860, 4153032, 5191290, 6921720, 10382580, 20765160]

約数ペア:

[(1, 20765160), (2, 10382580), (3, 6921720), (4, 5191290), (5, 4153032), (6, 3460860), (8, 2595645), (9, 2307240), (10, 2076516), (12, 1730430), (13, 1597320), (15, 1384344), (17, 1221480), (18, 1153620), (20, 1038258), (24, 865215), (26, 798660), (27, 769080), (29, 716040), (30, 692172), (34, 610740), (36, 576810), (39, 532440), (40, 519129), (45, 461448), (51, 407160), (52, 399330), (54, 384540), (58, 358020), (60, 346086), (65, 319464), (68, 305370), (72, 288405), (78, 266220), (81, 256360), (85, 244296), (87, 238680), (90, 230724), (102, 203580), (104, 199665), (108, 192270), (116, 179010), (117, 177480), (120, 173043), (130, 159732), (135, 153816), (136, 152685), (145, 143208), (153, 135720), (156, 133110), (162, 128180), (170, 122148), (174, 119340), (180, 115362), (195, 106488), (204, 101790), (216, 96135), (221, 93960), (232, 89505), (234, 88740), (255, 81432), (260, 79866), (261, 79560), (270, 76908), (290, 71604), (306, 67860), (312, 66555), (324, 64090), (340, 61074), (348, 59670), (351, 59160), (360, 57681), (377, 55080), (390, 53244), (405, 51272), (408, 50895), (435, 47736), (442, 46980), (459, 45240), (468, 44370), (493, 42120), (510, 40716), (520, 39933), (522, 39780), (540, 38454), (580, 35802), (585, 35496), (612, 33930), (648, 32045), (663, 31320), (680, 30537), (696, 29835), (702, 29580), (754, 27540), (765, 27144), (780, 26622), (783, 26520), (810, 25636), (870, 23868), (884, 23490), (918, 22620), (936, 22185), (986, 21060), (1020, 20358), (1044, 19890), (1053, 19720), (1080, 19227), (1105, 18792), (1131, 18360), (1160, 17901), (1170, 17748), (1224, 16965), (1305, 15912), (1326, 15660), (1377, 15080), (1404, 14790), (1479, 14040), (1508, 13770), (1530, 13572), (1560, 13311), (1566, 13260), (1620, 12818), (1740, 11934), (1755, 11832), (1768, 11745), (1836, 11310), (1885, 11016), (1972, 10530), (1989, 10440), (2040, 10179), (2088, 9945), (2106, 9860), (2210, 9396), (2262, 9180), (2295, 9048), (2340, 8874), (2349, 8840), (2465, 8424), (2610, 7956), (2652, 7830), (2754, 7540), (2808, 7395), (2958, 7020), (3016, 6885), (3060, 6786), (3132, 6630), (3240, 6409), (3315, 6264), (3393, 6120), (3480, 5967), (3510, 5916), (3672, 5655), (3770, 5508), (3915, 5304), (3944, 5265), (3978, 5220), (4212, 4930), (4420, 4698), (4437, 4680), (4524, 4590)]