204870420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1$

素因数の和:366

約数の個数: 144

約数和(自身を含む): 641571840

約数和(自身を除く): 436701420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 59, 60, 90, 101, 118, 177, 180, 191, 202, 236, 295, 303, 354, 382, 404, 505, 531, 573, 590, 606, 708, 764, 885, 909, 955, 1010, 1062, 1146, 1180, 1212, 1515, 1719, 1770, 1818, 1910, 2020, 2124, 2292, 2655, 2865, 3030, 3438, 3540, 3636, 3820, 4545, 5310, 5730, 5959, 6060, 6876, 8595, 9090, 10620, 11269, 11460, 11918, 17190, 17877, 18180, 19291, 22538, 23836, 29795, 33807, 34380, 35754, 38582, 45076, 53631, 56345, 57873, 59590, 67614, 71508, 77164, 89385, 96455, 101421, 107262, 112690, 115746, 119180, 135228, 169035, 173619, 178770, 192910, 202842, 214524, 225380, 231492, 268155, 289365, 338070, 347238, 357540, 385820, 405684, 507105, 536310, 578730, 676140, 694476, 868095, 1014210, 1072620, 1138169, 1157460, 1736190, 2028420, 2276338, 3414507, 3472380, 4552676, 5690845, 6829014, 10243521, 11381690, 13658028, 17072535, 20487042, 22763380, 34145070, 40974084, 51217605, 68290140, 102435210, 204870420]

約数ペア:

[(1, 204870420), (2, 102435210), (3, 68290140), (4, 51217605), (5, 40974084), (6, 34145070), (9, 22763380), (10, 20487042), (12, 17072535), (15, 13658028), (18, 11381690), (20, 10243521), (30, 6829014), (36, 5690845), (45, 4552676), (59, 3472380), (60, 3414507), (90, 2276338), (101, 2028420), (118, 1736190), (177, 1157460), (180, 1138169), (191, 1072620), (202, 1014210), (236, 868095), (295, 694476), (303, 676140), (354, 578730), (382, 536310), (404, 507105), (505, 405684), (531, 385820), (573, 357540), (590, 347238), (606, 338070), (708, 289365), (764, 268155), (885, 231492), (909, 225380), (955, 214524), (1010, 202842), (1062, 192910), (1146, 178770), (1180, 173619), (1212, 169035), (1515, 135228), (1719, 119180), (1770, 115746), (1818, 112690), (1910, 107262), (2020, 101421), (2124, 96455), (2292, 89385), (2655, 77164), (2865, 71508), (3030, 67614), (3438, 59590), (3540, 57873), (3636, 56345), (3820, 53631), (4545, 45076), (5310, 38582), (5730, 35754), (5959, 34380), (6060, 33807), (6876, 29795), (8595, 23836), (9090, 22538), (10620, 19291), (11269, 18180), (11460, 17877), (11918, 17190)]