660378420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31357}}^1$

素因数の和:31391

約数の個数: 120

約数和(自身を含む): 2231058984

約数和(自身を除く): 1570680564

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 260, 270, 324, 351, 390, 405, 468, 540, 585, 702, 780, 810, 1053, 1170, 1404, 1620, 1755, 2106, 2340, 3510, 4212, 5265, 7020, 10530, 21060, 31357, 62714, 94071, 125428, 156785, 188142, 282213, 313570, 376284, 407641, 470355, 564426, 627140, 815282, 846639, 940710, 1128852, 1222923, 1411065, 1630564, 1693278, 1881420, 2038205, 2445846, 2539917, 2822130, 3386556, 3668769, 4076410, 4233195, 4891692, 5079834, 5644260, 6114615, 7337538, 8152820, 8466390, 10159668, 11006307, 12229230, 12699585, 14675076, 16932780, 18343845, 22012614, 24458460, 25399170, 33018921, 36687690, 44025228, 50798340, 55031535, 66037842, 73375380, 110063070, 132075684, 165094605, 220126140, 330189210, 660378420]

約数ペア:

[(1, 660378420), (2, 330189210), (3, 220126140), (4, 165094605), (5, 132075684), (6, 110063070), (9, 73375380), (10, 66037842), (12, 55031535), (13, 50798340), (15, 44025228), (18, 36687690), (20, 33018921), (26, 25399170), (27, 24458460), (30, 22012614), (36, 18343845), (39, 16932780), (45, 14675076), (52, 12699585), (54, 12229230), (60, 11006307), (65, 10159668), (78, 8466390), (81, 8152820), (90, 7337538), (108, 6114615), (117, 5644260), (130, 5079834), (135, 4891692), (156, 4233195), (162, 4076410), (180, 3668769), (195, 3386556), (234, 2822130), (260, 2539917), (270, 2445846), (324, 2038205), (351, 1881420), (390, 1693278), (405, 1630564), (468, 1411065), (540, 1222923), (585, 1128852), (702, 940710), (780, 846639), (810, 815282), (1053, 627140), (1170, 564426), (1404, 470355), (1620, 407641), (1755, 376284), (2106, 313570), (2340, 282213), (3510, 188142), (4212, 156785), (5265, 125428), (7020, 94071), (10530, 62714), (21060, 31357)]