279839280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{166571}}^1$

素因数の和:166594

約数の個数: 80

約数和(自身を含む): 991436544

約数和(自身を除く): 711597264

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, 280, 336, 420, 560, 840, 1680, 166571, 333142, 499713, 666284, 832855, 999426, 1165997, 1332568, 1665710, 1998852, 2331994, 2498565, 2665136, 3331420, 3497991, 3997704, 4663988, 4997130, 5829985, 6662840, 6995982, 7995408, 9327976, 9994260, 11659970, 13325680, 13991964, 17489955, 18655952, 19988520, 23319940, 27983928, 34979910, 39977040, 46639880, 55967856, 69959820, 93279760, 139919640, 279839280]

約数ペア:

[(1, 279839280), (2, 139919640), (3, 93279760), (4, 69959820), (5, 55967856), (6, 46639880), (7, 39977040), (8, 34979910), (10, 27983928), (12, 23319940), (14, 19988520), (15, 18655952), (16, 17489955), (20, 13991964), (21, 13325680), (24, 11659970), (28, 9994260), (30, 9327976), (35, 7995408), (40, 6995982), (42, 6662840), (48, 5829985), (56, 4997130), (60, 4663988), (70, 3997704), (80, 3497991), (84, 3331420), (105, 2665136), (112, 2498565), (120, 2331994), (140, 1998852), (168, 1665710), (210, 1332568), (240, 1165997), (280, 999426), (336, 832855), (420, 666284), (560, 499713), (840, 333142), (1680, 166571)]