817014780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{947}}^1\times {\mathrm{4793}}^1$

素因数の和:5755

約数の個数: 72

約数和(自身を含む): 2481412752

約数和(自身を除く): 1664397972

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 947, 1894, 2841, 3788, 4735, 4793, 5682, 8523, 9470, 9586, 11364, 14205, 14379, 17046, 18940, 19172, 23965, 28410, 28758, 34092, 42615, 43137, 47930, 56820, 57516, 71895, 85230, 86274, 95860, 143790, 170460, 172548, 215685, 287580, 431370, 862740, 4538971, 9077942, 13616913, 18155884, 22694855, 27233826, 40850739, 45389710, 54467652, 68084565, 81701478, 90779420, 136169130, 163402956, 204253695, 272338260, 408507390, 817014780]

約数ペア:

[(1, 817014780), (2, 408507390), (3, 272338260), (4, 204253695), (5, 163402956), (6, 136169130), (9, 90779420), (10, 81701478), (12, 68084565), (15, 54467652), (18, 45389710), (20, 40850739), (30, 27233826), (36, 22694855), (45, 18155884), (60, 13616913), (90, 9077942), (180, 4538971), (947, 862740), (1894, 431370), (2841, 287580), (3788, 215685), (4735, 172548), (4793, 170460), (5682, 143790), (8523, 95860), (9470, 86274), (9586, 85230), (11364, 71895), (14205, 57516), (14379, 56820), (17046, 47930), (18940, 43137), (19172, 42615), (23965, 34092), (28410, 28758)]