645523120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{827}}^1\times {\mathrm{887}}^1$

素因数の和:1738

約数の個数: 80

約数和(自身を含む): 1641109248

約数和(自身を除く): 995586128

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 827, 880, 887, 1654, 1774, 3308, 3548, 4135, 4435, 6616, 7096, 8270, 8870, 9097, 9757, 13232, 14192, 16540, 17740, 18194, 19514, 33080, 35480, 36388, 39028, 45485, 48785, 66160, 70960, 72776, 78056, 90970, 97570, 145552, 156112, 181940, 195140, 363880, 390280, 727760, 733549, 780560, 1467098, 2934196, 3667745, 5868392, 7335490, 8069039, 11736784, 14670980, 16138078, 29341960, 32276156, 40345195, 58683920, 64552312, 80690390, 129104624, 161380780, 322761560, 645523120]

約数ペア:

[(1, 645523120), (2, 322761560), (4, 161380780), (5, 129104624), (8, 80690390), (10, 64552312), (11, 58683920), (16, 40345195), (20, 32276156), (22, 29341960), (40, 16138078), (44, 14670980), (55, 11736784), (80, 8069039), (88, 7335490), (110, 5868392), (176, 3667745), (220, 2934196), (440, 1467098), (827, 780560), (880, 733549), (887, 727760), (1654, 390280), (1774, 363880), (3308, 195140), (3548, 181940), (4135, 156112), (4435, 145552), (6616, 97570), (7096, 90970), (8270, 78056), (8870, 72776), (9097, 70960), (9757, 66160), (13232, 48785), (14192, 45485), (16540, 39028), (17740, 36388), (18194, 35480), (19514, 33080)]