635087120

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1\times {\mathrm{431}}^1$

素因数の和:720

約数の個数: 80

約数和(自身を含む): 1502260992

約数和(自身を除く): 867173872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 163, 226, 326, 431, 452, 565, 652, 815, 862, 904, 1130, 1304, 1630, 1724, 1808, 2155, 2260, 2608, 3260, 3448, 4310, 4520, 6520, 6896, 8620, 9040, 13040, 17240, 18419, 34480, 36838, 48703, 70253, 73676, 92095, 97406, 140506, 147352, 184190, 194812, 243515, 281012, 294704, 351265, 368380, 389624, 487030, 562024, 702530, 736760, 779248, 974060, 1124048, 1405060, 1473520, 1948120, 2810120, 3896240, 5620240, 7938589, 15877178, 31754356, 39692945, 63508712, 79385890, 127017424, 158771780, 317543560, 635087120]

約数ペア:

[(1, 635087120), (2, 317543560), (4, 158771780), (5, 127017424), (8, 79385890), (10, 63508712), (16, 39692945), (20, 31754356), (40, 15877178), (80, 7938589), (113, 5620240), (163, 3896240), (226, 2810120), (326, 1948120), (431, 1473520), (452, 1405060), (565, 1124048), (652, 974060), (815, 779248), (862, 736760), (904, 702530), (1130, 562024), (1304, 487030), (1630, 389624), (1724, 368380), (1808, 351265), (2155, 294704), (2260, 281012), (2608, 243515), (3260, 194812), (3448, 184190), (4310, 147352), (4520, 140506), (6520, 97406), (6896, 92095), (8620, 73676), (9040, 70253), (13040, 48703), (17240, 36838), (18419, 34480)]