267960280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{30871}}^1$

素因数の和:30920

約数の個数: 64

約数和(自身を含む): 711290880

約数和(自身を除く): 443330600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 30871, 61742, 123484, 154355, 216097, 246968, 308710, 432194, 617420, 864388, 957001, 1080485, 1234840, 1728776, 1914002, 2160970, 3828004, 4321940, 4785005, 6699007, 7656008, 8643880, 9570010, 13398014, 19140020, 26796028, 33495035, 38280040, 53592056, 66990070, 133980140, 267960280]

約数ペア:

[(1, 267960280), (2, 133980140), (4, 66990070), (5, 53592056), (7, 38280040), (8, 33495035), (10, 26796028), (14, 19140020), (20, 13398014), (28, 9570010), (31, 8643880), (35, 7656008), (40, 6699007), (56, 4785005), (62, 4321940), (70, 3828004), (124, 2160970), (140, 1914002), (155, 1728776), (217, 1234840), (248, 1080485), (280, 957001), (310, 864388), (434, 617420), (620, 432194), (868, 308710), (1085, 246968), (1240, 216097), (1736, 154355), (2170, 123484), (4340, 61742), (8680, 30871)]