2028420

素因数分解:

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

素因数の和:265

約数の個数: 72

約数和(自身を含む): 6289920

約数和(自身を除く): 4261500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 59, 60, 90, 118, 177, 180, 191, 236, 295, 354, 382, 531, 573, 590, 708, 764, 885, 955, 1062, 1146, 1180, 1719, 1770, 1910, 2124, 2292, 2655, 2865, 3438, 3540, 3820, 5310, 5730, 6876, 8595, 10620, 11269, 11460, 17190, 22538, 33807, 34380, 45076, 56345, 67614, 101421, 112690, 135228, 169035, 202842, 225380, 338070, 405684, 507105, 676140, 1014210, 2028420]

約数ペア:

[(1, 2028420), (2, 1014210), (3, 676140), (4, 507105), (5, 405684), (6, 338070), (9, 225380), (10, 202842), (12, 169035), (15, 135228), (18, 112690), (20, 101421), (30, 67614), (36, 56345), (45, 45076), (59, 34380), (60, 33807), (90, 22538), (118, 17190), (177, 11460), (180, 11269), (191, 10620), (236, 8595), (295, 6876), (354, 5730), (382, 5310), (531, 3820), (573, 3540), (590, 3438), (708, 2865), (764, 2655), (885, 2292), (955, 2124), (1062, 1910), (1146, 1770), (1180, 1719)]