1297804560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{415963}}^1$

素因数の和:415992

約数の個数: 80

約数和(自身を含む): 4332681024

約数和(自身を除く): 3034876464

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 415963, 831926, 1247889, 1663852, 2079815, 2495778, 3327704, 4159630, 4991556, 5407519, 6239445, 6655408, 8319260, 9983112, 10815038, 12478890, 16222557, 16638520, 19966224, 21630076, 24957780, 27037595, 32445114, 33277040, 43260152, 49915560, 54075190, 64890228, 81112785, 86520304, 99831120, 108150380, 129780456, 162225570, 216300760, 259560912, 324451140, 432601520, 648902280, 1297804560]

約数ペア:

[(1, 1297804560), (2, 648902280), (3, 432601520), (4, 324451140), (5, 259560912), (6, 216300760), (8, 162225570), (10, 129780456), (12, 108150380), (13, 99831120), (15, 86520304), (16, 81112785), (20, 64890228), (24, 54075190), (26, 49915560), (30, 43260152), (39, 33277040), (40, 32445114), (48, 27037595), (52, 24957780), (60, 21630076), (65, 19966224), (78, 16638520), (80, 16222557), (104, 12478890), (120, 10815038), (130, 9983112), (156, 8319260), (195, 6655408), (208, 6239445), (240, 5407519), (260, 4991556), (312, 4159630), (390, 3327704), (520, 2495778), (624, 2079815), (780, 1663852), (1040, 1247889), (1560, 831926), (3120, 415963)]