771661980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{1721}}^1$

素因数の和:1836

約数の個数: 144

約数和(自身を含む): 2437029504

約数和(自身を除く): 1665367524

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 53, 60, 90, 94, 106, 141, 159, 180, 188, 212, 235, 265, 282, 318, 423, 470, 477, 530, 564, 636, 705, 795, 846, 940, 954, 1060, 1410, 1590, 1692, 1721, 1908, 2115, 2385, 2491, 2820, 3180, 3442, 4230, 4770, 4982, 5163, 6884, 7473, 8460, 8605, 9540, 9964, 10326, 12455, 14946, 15489, 17210, 20652, 22419, 24910, 25815, 29892, 30978, 34420, 37365, 44838, 49820, 51630, 61956, 74730, 77445, 80887, 89676, 91213, 103260, 112095, 149460, 154890, 161774, 182426, 224190, 242661, 273639, 309780, 323548, 364852, 404435, 448380, 456065, 485322, 547278, 727983, 808870, 820917, 912130, 970644, 1094556, 1213305, 1368195, 1455966, 1617740, 1641834, 1824260, 2426610, 2736390, 2911932, 3283668, 3639915, 4104585, 4287011, 4853220, 5472780, 7279830, 8209170, 8574022, 12861033, 14559660, 16418340, 17148044, 21435055, 25722066, 38583099, 42870110, 51444132, 64305165, 77166198, 85740220, 128610330, 154332396, 192915495, 257220660, 385830990, 771661980]

約数ペア:

[(1, 771661980), (2, 385830990), (3, 257220660), (4, 192915495), (5, 154332396), (6, 128610330), (9, 85740220), (10, 77166198), (12, 64305165), (15, 51444132), (18, 42870110), (20, 38583099), (30, 25722066), (36, 21435055), (45, 17148044), (47, 16418340), (53, 14559660), (60, 12861033), (90, 8574022), (94, 8209170), (106, 7279830), (141, 5472780), (159, 4853220), (180, 4287011), (188, 4104585), (212, 3639915), (235, 3283668), (265, 2911932), (282, 2736390), (318, 2426610), (423, 1824260), (470, 1641834), (477, 1617740), (530, 1455966), (564, 1368195), (636, 1213305), (705, 1094556), (795, 970644), (846, 912130), (940, 820917), (954, 808870), (1060, 727983), (1410, 547278), (1590, 485322), (1692, 456065), (1721, 448380), (1908, 404435), (2115, 364852), (2385, 323548), (2491, 309780), (2820, 273639), (3180, 242661), (3442, 224190), (4230, 182426), (4770, 161774), (4982, 154890), (5163, 149460), (6884, 112095), (7473, 103260), (8460, 91213), (8605, 89676), (9540, 80887), (9964, 77445), (10326, 74730), (12455, 61956), (14946, 51630), (15489, 49820), (17210, 44838), (20652, 37365), (22419, 34420), (24910, 30978), (25815, 29892)]