421036640

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1\times {\mathrm{241}}^1$

素因数の和:496

約数の個数: 96

約数和(自身を含む): 1020872160

約数和(自身を除く): 599835520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 179, 241, 244, 305, 358, 482, 488, 610, 716, 895, 964, 976, 1205, 1220, 1432, 1790, 1928, 1952, 2410, 2440, 2864, 3580, 3856, 4820, 4880, 5728, 7160, 7712, 9640, 9760, 10919, 14320, 14701, 19280, 21838, 28640, 29402, 38560, 43139, 43676, 54595, 58804, 73505, 86278, 87352, 109190, 117608, 147010, 172556, 174704, 215695, 218380, 235216, 294020, 345112, 349408, 431390, 436760, 470432, 588040, 690224, 862780, 873520, 1176080, 1380448, 1725560, 1747040, 2352160, 2631479, 3451120, 5262958, 6902240, 10525916, 13157395, 21051832, 26314790, 42103664, 52629580, 84207328, 105259160, 210518320, 421036640]

約数ペア:

[(1, 421036640), (2, 210518320), (4, 105259160), (5, 84207328), (8, 52629580), (10, 42103664), (16, 26314790), (20, 21051832), (32, 13157395), (40, 10525916), (61, 6902240), (80, 5262958), (122, 3451120), (160, 2631479), (179, 2352160), (241, 1747040), (244, 1725560), (305, 1380448), (358, 1176080), (482, 873520), (488, 862780), (610, 690224), (716, 588040), (895, 470432), (964, 436760), (976, 431390), (1205, 349408), (1220, 345112), (1432, 294020), (1790, 235216), (1928, 218380), (1952, 215695), (2410, 174704), (2440, 172556), (2864, 147010), (3580, 117608), (3856, 109190), (4820, 87352), (4880, 86278), (5728, 73505), (7160, 58804), (7712, 54595), (9640, 43676), (9760, 43139), (10919, 38560), (14320, 29402), (14701, 28640), (19280, 21838)]