64039440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1637}}^1$

素因数の和:1816

約数の個数: 80

約数和(自身を含む): 199862208

約数和(自身を除く): 135822768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 163, 240, 326, 489, 652, 815, 978, 1304, 1630, 1637, 1956, 2445, 2608, 3260, 3274, 3912, 4890, 4911, 6520, 6548, 7824, 8185, 9780, 9822, 13040, 13096, 16370, 19560, 19644, 24555, 26192, 32740, 39120, 39288, 49110, 65480, 78576, 98220, 130960, 196440, 266831, 392880, 533662, 800493, 1067324, 1334155, 1600986, 2134648, 2668310, 3201972, 4002465, 4269296, 5336620, 6403944, 8004930, 10673240, 12807888, 16009860, 21346480, 32019720, 64039440]

約数ペア:

[(1, 64039440), (2, 32019720), (3, 21346480), (4, 16009860), (5, 12807888), (6, 10673240), (8, 8004930), (10, 6403944), (12, 5336620), (15, 4269296), (16, 4002465), (20, 3201972), (24, 2668310), (30, 2134648), (40, 1600986), (48, 1334155), (60, 1067324), (80, 800493), (120, 533662), (163, 392880), (240, 266831), (326, 196440), (489, 130960), (652, 98220), (815, 78576), (978, 65480), (1304, 49110), (1630, 39288), (1637, 39120), (1956, 32740), (2445, 26192), (2608, 24555), (3260, 19644), (3274, 19560), (3912, 16370), (4890, 13096), (4911, 13040), (6520, 9822), (6548, 9780), (7824, 8185)]