75808080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{499}}^1$

素因数の和:729

約数の個数: 120

約数和(自身を含む): 256308000

約数和(自身を除く): 180499920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 211, 240, 360, 422, 499, 633, 720, 844, 998, 1055, 1266, 1497, 1688, 1899, 1996, 2110, 2495, 2532, 2994, 3165, 3376, 3798, 3992, 4220, 4491, 4990, 5064, 5988, 6330, 7485, 7596, 7984, 8440, 8982, 9495, 9980, 10128, 11976, 12660, 14970, 15192, 16880, 17964, 18990, 19960, 22455, 23952, 25320, 29940, 30384, 35928, 37980, 39920, 44910, 50640, 59880, 71856, 75960, 89820, 105289, 119760, 151920, 179640, 210578, 315867, 359280, 421156, 526445, 631734, 842312, 947601, 1052890, 1263468, 1579335, 1684624, 1895202, 2105780, 2526936, 3158670, 3790404, 4211560, 4738005, 5053872, 6317340, 7580808, 8423120, 9476010, 12634680, 15161616, 18952020, 25269360, 37904040, 75808080]

約数ペア:

[(1, 75808080), (2, 37904040), (3, 25269360), (4, 18952020), (5, 15161616), (6, 12634680), (8, 9476010), (9, 8423120), (10, 7580808), (12, 6317340), (15, 5053872), (16, 4738005), (18, 4211560), (20, 3790404), (24, 3158670), (30, 2526936), (36, 2105780), (40, 1895202), (45, 1684624), (48, 1579335), (60, 1263468), (72, 1052890), (80, 947601), (90, 842312), (120, 631734), (144, 526445), (180, 421156), (211, 359280), (240, 315867), (360, 210578), (422, 179640), (499, 151920), (633, 119760), (720, 105289), (844, 89820), (998, 75960), (1055, 71856), (1266, 59880), (1497, 50640), (1688, 44910), (1899, 39920), (1996, 37980), (2110, 35928), (2495, 30384), (2532, 29940), (2994, 25320), (3165, 23952), (3376, 22455), (3798, 19960), (3992, 18990), (4220, 17964), (4491, 16880), (4990, 15192), (5064, 14970), (5988, 12660), (6330, 11976), (7485, 10128), (7596, 9980), (7984, 9495), (8440, 8982)]