199640280

素因数分解:

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

素因数の和:1169

約数の個数: 128

約数和(自身を含む): 687790080

約数和(自身を除く): 488149800

約数列:

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

約数ペア:

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