280605780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{463}}^1$

素因数の和:535

約数の個数: 288

約数和(自身を含む): 1078232064

約数和(自身を除く): 797626284

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 37, 39, 42, 45, 52, 60, 63, 65, 70, 74, 78, 84, 90, 91, 105, 111, 117, 126, 130, 140, 148, 156, 180, 182, 185, 195, 210, 222, 234, 252, 259, 260, 273, 315, 333, 364, 370, 390, 420, 444, 455, 463, 468, 481, 518, 546, 555, 585, 630, 666, 740, 777, 780, 819, 910, 926, 962, 1036, 1092, 1110, 1170, 1260, 1295, 1332, 1365, 1389, 1443, 1554, 1638, 1665, 1820, 1852, 1924, 2220, 2315, 2331, 2340, 2405, 2590, 2730, 2778, 2886, 3108, 3241, 3276, 3330, 3367, 3885, 4095, 4167, 4329, 4630, 4662, 4810, 5180, 5460, 5556, 5772, 6019, 6482, 6660, 6734, 6945, 7215, 7770, 8190, 8334, 8658, 9260, 9324, 9620, 9723, 10101, 11655, 12038, 12964, 13468, 13890, 14430, 15540, 16205, 16380, 16668, 16835, 17131, 17316, 18057, 19446, 20202, 20835, 21645, 23310, 24076, 27780, 28860, 29169, 30095, 30303, 32410, 33670, 34262, 36114, 38892, 40404, 41670, 42133, 43290, 46620, 48615, 50505, 51393, 54171, 58338, 60190, 60606, 64820, 67340, 68524, 72228, 83340, 84266, 85655, 86580, 90285, 97230, 101010, 102786, 108342, 116676, 119917, 120380, 121212, 126399, 145845, 151515, 154179, 168532, 171310, 180570, 194460, 202020, 205572, 210665, 216684, 222703, 239834, 252798, 256965, 270855, 291690, 303030, 308358, 342620, 359751, 361140, 379197, 421330, 445406, 479668, 505596, 513930, 541710, 583380, 599585, 606060, 616716, 631995, 668109, 719502, 758394, 770895, 842660, 890812, 1027860, 1079253, 1083420, 1113515, 1199170, 1263990, 1336218, 1439004, 1516788, 1541790, 1558921, 1798755, 1895985, 2004327, 2158506, 2227030, 2398340, 2527980, 2672436, 3083580, 3117842, 3340545, 3597510, 3791970, 4008654, 4317012, 4454060, 4676763, 5396265, 6235684, 6681090, 7195020, 7583940, 7794605, 8017308, 9353526, 10021635, 10792530, 13362180, 14030289, 15589210, 18707052, 20043270, 21585060, 23383815, 28060578, 31178420, 40086540, 46767630, 56121156, 70151445, 93535260, 140302890, 280605780]

約数ペア:

[(1, 280605780), (2, 140302890), (3, 93535260), (4, 70151445), (5, 56121156), (6, 46767630), (7, 40086540), (9, 31178420), (10, 28060578), (12, 23383815), (13, 21585060), (14, 20043270), (15, 18707052), (18, 15589210), (20, 14030289), (21, 13362180), (26, 10792530), (28, 10021635), (30, 9353526), (35, 8017308), (36, 7794605), (37, 7583940), (39, 7195020), (42, 6681090), (45, 6235684), (52, 5396265), (60, 4676763), (63, 4454060), (65, 4317012), (70, 4008654), (74, 3791970), (78, 3597510), (84, 3340545), (90, 3117842), (91, 3083580), (105, 2672436), (111, 2527980), (117, 2398340), (126, 2227030), (130, 2158506), (140, 2004327), (148, 1895985), (156, 1798755), (180, 1558921), (182, 1541790), (185, 1516788), (195, 1439004), (210, 1336218), (222, 1263990), (234, 1199170), (252, 1113515), (259, 1083420), (260, 1079253), (273, 1027860), (315, 890812), (333, 842660), (364, 770895), (370, 758394), (390, 719502), (420, 668109), (444, 631995), (455, 616716), (463, 606060), (468, 599585), (481, 583380), (518, 541710), (546, 513930), (555, 505596), (585, 479668), (630, 445406), (666, 421330), (740, 379197), (777, 361140), (780, 359751), (819, 342620), (910, 308358), (926, 303030), (962, 291690), (1036, 270855), (1092, 256965), (1110, 252798), (1170, 239834), (1260, 222703), (1295, 216684), (1332, 210665), (1365, 205572), (1389, 202020), (1443, 194460), (1554, 180570), (1638, 171310), (1665, 168532), (1820, 154179), (1852, 151515), (1924, 145845), (2220, 126399), (2315, 121212), (2331, 120380), (2340, 119917), (2405, 116676), (2590, 108342), (2730, 102786), (2778, 101010), (2886, 97230), (3108, 90285), (3241, 86580), (3276, 85655), (3330, 84266), (3367, 83340), (3885, 72228), (4095, 68524), (4167, 67340), (4329, 64820), (4630, 60606), (4662, 60190), (4810, 58338), (5180, 54171), (5460, 51393), (5556, 50505), (5772, 48615), (6019, 46620), (6482, 43290), (6660, 42133), (6734, 41670), (6945, 40404), (7215, 38892), (7770, 36114), (8190, 34262), (8334, 33670), (8658, 32410), (9260, 30303), (9324, 30095), (9620, 29169), (9723, 28860), (10101, 27780), (11655, 24076), (12038, 23310), (12964, 21645), (13468, 20835), (13890, 20202), (14430, 19446), (15540, 18057), (16205, 17316), (16380, 17131), (16668, 16835)]