72140940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1663}}^1$

素因数の和:1919

約数の個数: 72

約数和(自身を含む): 219867648

約数和(自身を除く): 147726708

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 241, 482, 723, 964, 1205, 1446, 1663, 2169, 2410, 2892, 3326, 3615, 4338, 4820, 4989, 6652, 7230, 8315, 8676, 9978, 10845, 14460, 14967, 16630, 19956, 21690, 24945, 29934, 33260, 43380, 49890, 59868, 74835, 99780, 149670, 299340, 400783, 801566, 1202349, 1603132, 2003915, 2404698, 3607047, 4007830, 4809396, 6011745, 7214094, 8015660, 12023490, 14428188, 18035235, 24046980, 36070470, 72140940]

約数ペア:

[(1, 72140940), (2, 36070470), (3, 24046980), (4, 18035235), (5, 14428188), (6, 12023490), (9, 8015660), (10, 7214094), (12, 6011745), (15, 4809396), (18, 4007830), (20, 3607047), (30, 2404698), (36, 2003915), (45, 1603132), (60, 1202349), (90, 801566), (180, 400783), (241, 299340), (482, 149670), (723, 99780), (964, 74835), (1205, 59868), (1446, 49890), (1663, 43380), (2169, 33260), (2410, 29934), (2892, 24945), (3326, 21690), (3615, 19956), (4338, 16630), (4820, 14967), (4989, 14460), (6652, 10845), (7230, 9978), (8315, 8676)]