1551178980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{662897}}^1$

素因数の和:662925

約数の個数: 72

約数和(自身を含む): 5067192312

約数和(自身を除く): 3516013332

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, 780, 1170, 2340, 662897, 1325794, 1988691, 2651588, 3314485, 3977382, 5966073, 6628970, 7954764, 8617661, 9943455, 11932146, 13257940, 17235322, 19886910, 23864292, 25852983, 29830365, 34470644, 39773820, 43088305, 51705966, 59660730, 77558949, 86176610, 103411932, 119321460, 129264915, 155117898, 172353220, 258529830, 310235796, 387794745, 517059660, 775589490, 1551178980]

約数ペア:

[(1, 1551178980), (2, 775589490), (3, 517059660), (4, 387794745), (5, 310235796), (6, 258529830), (9, 172353220), (10, 155117898), (12, 129264915), (13, 119321460), (15, 103411932), (18, 86176610), (20, 77558949), (26, 59660730), (30, 51705966), (36, 43088305), (39, 39773820), (45, 34470644), (52, 29830365), (60, 25852983), (65, 23864292), (78, 19886910), (90, 17235322), (117, 13257940), (130, 11932146), (156, 9943455), (180, 8617661), (195, 7954764), (234, 6628970), (260, 5966073), (390, 3977382), (468, 3314485), (585, 2651588), (780, 1988691), (1170, 1325794), (2340, 662897)]