129179640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{2557}}^1$

素因数の和:2992

約数の個数: 64

約数和(自身を含む): 388611360

約数和(自身を除く): 259431720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 421, 842, 1263, 1684, 2105, 2526, 2557, 3368, 4210, 5052, 5114, 6315, 7671, 8420, 10104, 10228, 12630, 12785, 15342, 16840, 20456, 25260, 25570, 30684, 38355, 50520, 51140, 61368, 76710, 102280, 153420, 306840, 1076497, 2152994, 3229491, 4305988, 5382485, 6458982, 8611976, 10764970, 12917964, 16147455, 21529940, 25835928, 32294910, 43059880, 64589820, 129179640]

約数ペア:

[(1, 129179640), (2, 64589820), (3, 43059880), (4, 32294910), (5, 25835928), (6, 21529940), (8, 16147455), (10, 12917964), (12, 10764970), (15, 8611976), (20, 6458982), (24, 5382485), (30, 4305988), (40, 3229491), (60, 2152994), (120, 1076497), (421, 306840), (842, 153420), (1263, 102280), (1684, 76710), (2105, 61368), (2526, 51140), (2557, 50520), (3368, 38355), (4210, 30684), (5052, 25570), (5114, 25260), (6315, 20456), (7671, 16840), (8420, 15342), (10104, 12785), (10228, 12630)]