861775680

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{1723}}^1$

素因数の和:2264

約数の個数: 112

約数和(自身を含む): 2742980544

約数和(自身を除く): 1881204864

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 521, 960, 1042, 1563, 1723, 2084, 2605, 3126, 3446, 4168, 5169, 5210, 6252, 6892, 7815, 8336, 8615, 10338, 10420, 12504, 13784, 15630, 16672, 17230, 20676, 20840, 25008, 25845, 27568, 31260, 33344, 34460, 41352, 41680, 50016, 51690, 55136, 62520, 68920, 82704, 83360, 100032, 103380, 110272, 125040, 137840, 165408, 166720, 206760, 250080, 275680, 330816, 413520, 500160, 551360, 827040, 897683, 1654080, 1795366, 2693049, 3590732, 4488415, 5386098, 7181464, 8976830, 10772196, 13465245, 14362928, 17953660, 21544392, 26930490, 28725856, 35907320, 43088784, 53860980, 57451712, 71814640, 86177568, 107721960, 143629280, 172355136, 215443920, 287258560, 430887840, 861775680]

約数ペア:

[(1, 861775680), (2, 430887840), (3, 287258560), (4, 215443920), (5, 172355136), (6, 143629280), (8, 107721960), (10, 86177568), (12, 71814640), (15, 57451712), (16, 53860980), (20, 43088784), (24, 35907320), (30, 28725856), (32, 26930490), (40, 21544392), (48, 17953660), (60, 14362928), (64, 13465245), (80, 10772196), (96, 8976830), (120, 7181464), (160, 5386098), (192, 4488415), (240, 3590732), (320, 2693049), (480, 1795366), (521, 1654080), (960, 897683), (1042, 827040), (1563, 551360), (1723, 500160), (2084, 413520), (2605, 330816), (3126, 275680), (3446, 250080), (4168, 206760), (5169, 166720), (5210, 165408), (6252, 137840), (6892, 125040), (7815, 110272), (8336, 103380), (8615, 100032), (10338, 83360), (10420, 82704), (12504, 68920), (13784, 62520), (15630, 55136), (16672, 51690), (17230, 50016), (20676, 41680), (20840, 41352), (25008, 34460), (25845, 33344), (27568, 31260)]