7775560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{787}}^1$

素因数の和:830

約数の個数: 64

約数和(自身を含む): 19857600

約数和(自身を除く): 12082040

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 787, 988, 1235, 1574, 1976, 2470, 3148, 3935, 4940, 6296, 7870, 9880, 10231, 14953, 15740, 20462, 29906, 31480, 40924, 51155, 59812, 74765, 81848, 102310, 119624, 149530, 194389, 204620, 299060, 388778, 409240, 598120, 777556, 971945, 1555112, 1943890, 3887780, 7775560]

約数ペア:

[(1, 7775560), (2, 3887780), (4, 1943890), (5, 1555112), (8, 971945), (10, 777556), (13, 598120), (19, 409240), (20, 388778), (26, 299060), (38, 204620), (40, 194389), (52, 149530), (65, 119624), (76, 102310), (95, 81848), (104, 74765), (130, 59812), (152, 51155), (190, 40924), (247, 31480), (260, 29906), (380, 20462), (494, 15740), (520, 14953), (760, 10231), (787, 9880), (988, 7870), (1235, 6296), (1574, 4940), (1976, 3935), (2470, 3148)]