1616940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{691}}^1$

素因数の和:719

約数の個数: 72

約数和(自身を含む): 5289648

約数和(自身を除く): 3672708

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 691, 780, 1170, 1382, 2073, 2340, 2764, 3455, 4146, 6219, 6910, 8292, 8983, 10365, 12438, 13820, 17966, 20730, 24876, 26949, 31095, 35932, 41460, 44915, 53898, 62190, 80847, 89830, 107796, 124380, 134745, 161694, 179660, 269490, 323388, 404235, 538980, 808470, 1616940]

約数ペア:

[(1, 1616940), (2, 808470), (3, 538980), (4, 404235), (5, 323388), (6, 269490), (9, 179660), (10, 161694), (12, 134745), (13, 124380), (15, 107796), (18, 89830), (20, 80847), (26, 62190), (30, 53898), (36, 44915), (39, 41460), (45, 35932), (52, 31095), (60, 26949), (65, 24876), (78, 20730), (90, 17966), (117, 13820), (130, 12438), (156, 10365), (180, 8983), (195, 8292), (234, 6910), (260, 6219), (390, 4146), (468, 3455), (585, 2764), (691, 2340), (780, 2073), (1170, 1382)]