399280560

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{877}}^1$

素因数の和:1171

約数の個数: 160

約数和(自身を含む): 1421432832

約数和(自身を除く): 1022152272

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 271, 280, 336, 420, 542, 560, 813, 840, 877, 1084, 1355, 1626, 1680, 1754, 1897, 2168, 2631, 2710, 3252, 3508, 3794, 4065, 4336, 4385, 5262, 5420, 5691, 6139, 6504, 7016, 7588, 8130, 8770, 9485, 10524, 10840, 11382, 12278, 13008, 13155, 14032, 15176, 16260, 17540, 18417, 18970, 21048, 21680, 22764, 24556, 26310, 28455, 30352, 30695, 32520, 35080, 36834, 37940, 42096, 45528, 49112, 52620, 56910, 61390, 65040, 70160, 73668, 75880, 91056, 92085, 98224, 105240, 113820, 122780, 147336, 151760, 184170, 210480, 227640, 237667, 245560, 294672, 368340, 455280, 475334, 491120, 713001, 736680, 950668, 1188335, 1426002, 1473360, 1663669, 1901336, 2376670, 2852004, 3327338, 3565005, 3802672, 4753340, 4991007, 5704008, 6654676, 7130010, 8318345, 9506680, 9982014, 11408016, 13309352, 14260020, 16636690, 19013360, 19964028, 24955035, 26618704, 28520040, 33273380, 39928056, 49910070, 57040080, 66546760, 79856112, 99820140, 133093520, 199640280, 399280560]

約数ペア:

[(1, 399280560), (2, 199640280), (3, 133093520), (4, 99820140), (5, 79856112), (6, 66546760), (7, 57040080), (8, 49910070), (10, 39928056), (12, 33273380), (14, 28520040), (15, 26618704), (16, 24955035), (20, 19964028), (21, 19013360), (24, 16636690), (28, 14260020), (30, 13309352), (35, 11408016), (40, 9982014), (42, 9506680), (48, 8318345), (56, 7130010), (60, 6654676), (70, 5704008), (80, 4991007), (84, 4753340), (105, 3802672), (112, 3565005), (120, 3327338), (140, 2852004), (168, 2376670), (210, 1901336), (240, 1663669), (271, 1473360), (280, 1426002), (336, 1188335), (420, 950668), (542, 736680), (560, 713001), (813, 491120), (840, 475334), (877, 455280), (1084, 368340), (1355, 294672), (1626, 245560), (1680, 237667), (1754, 227640), (1897, 210480), (2168, 184170), (2631, 151760), (2710, 147336), (3252, 122780), (3508, 113820), (3794, 105240), (4065, 98224), (4336, 92085), (4385, 91056), (5262, 75880), (5420, 73668), (5691, 70160), (6139, 65040), (6504, 61390), (7016, 56910), (7588, 52620), (8130, 49112), (8770, 45528), (9485, 42096), (10524, 37940), (10840, 36834), (11382, 35080), (12278, 32520), (13008, 30695), (13155, 30352), (14032, 28455), (15176, 26310), (16260, 24556), (17540, 22764), (18417, 21680), (18970, 21048)]