2001777570

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{18397}}^1$

素因数の和:18457

約数の個数: 128

約数和(自身を含む): 5934458880

約数和(自身を除く): 3932681310

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 31, 39, 45, 54, 62, 65, 78, 90, 93, 117, 130, 135, 155, 186, 195, 234, 270, 279, 310, 351, 390, 403, 465, 558, 585, 702, 806, 837, 930, 1170, 1209, 1395, 1674, 1755, 2015, 2418, 2790, 3510, 3627, 4030, 4185, 6045, 7254, 8370, 10881, 12090, 18135, 18397, 21762, 36270, 36794, 54405, 55191, 91985, 108810, 110382, 165573, 183970, 239161, 275955, 331146, 478322, 496719, 551910, 570307, 717483, 827865, 993438, 1140614, 1195805, 1434966, 1655730, 1710921, 2152449, 2391610, 2483595, 2851535, 3421842, 3587415, 4304898, 4967190, 5132763, 5703070, 6457347, 7174830, 7413991, 8554605, 10265526, 10762245, 12914694, 14827982, 15398289, 17109210, 21524490, 22241973, 25663815, 30796578, 32286735, 37069955, 44483946, 51327630, 64573470, 66725919, 74139910, 76991445, 111209865, 133451838, 153982890, 200177757, 222419730, 333629595, 400355514, 667259190, 1000888785, 2001777570]

約数ペア:

[(1, 2001777570), (2, 1000888785), (3, 667259190), (5, 400355514), (6, 333629595), (9, 222419730), (10, 200177757), (13, 153982890), (15, 133451838), (18, 111209865), (26, 76991445), (27, 74139910), (30, 66725919), (31, 64573470), (39, 51327630), (45, 44483946), (54, 37069955), (62, 32286735), (65, 30796578), (78, 25663815), (90, 22241973), (93, 21524490), (117, 17109210), (130, 15398289), (135, 14827982), (155, 12914694), (186, 10762245), (195, 10265526), (234, 8554605), (270, 7413991), (279, 7174830), (310, 6457347), (351, 5703070), (390, 5132763), (403, 4967190), (465, 4304898), (558, 3587415), (585, 3421842), (702, 2851535), (806, 2483595), (837, 2391610), (930, 2152449), (1170, 1710921), (1209, 1655730), (1395, 1434966), (1674, 1195805), (1755, 1140614), (2015, 993438), (2418, 827865), (2790, 717483), (3510, 570307), (3627, 551910), (4030, 496719), (4185, 478322), (6045, 331146), (7254, 275955), (8370, 239161), (10881, 183970), (12090, 165573), (18135, 110382), (18397, 108810), (21762, 91985), (36270, 55191), (36794, 54405)]