6688760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{677}}^1$

素因数の和:720

約数の個数: 64

約数和(自身を含む): 17085600

約数和(自身を除く): 10396840

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, 677, 760, 988, 1235, 1354, 1976, 2470, 2708, 3385, 4940, 5416, 6770, 8801, 9880, 12863, 13540, 17602, 25726, 27080, 35204, 44005, 51452, 64315, 70408, 88010, 102904, 128630, 167219, 176020, 257260, 334438, 352040, 514520, 668876, 836095, 1337752, 1672190, 3344380, 6688760]

約数ペア:

[(1, 6688760), (2, 3344380), (4, 1672190), (5, 1337752), (8, 836095), (10, 668876), (13, 514520), (19, 352040), (20, 334438), (26, 257260), (38, 176020), (40, 167219), (52, 128630), (65, 102904), (76, 88010), (95, 70408), (104, 64315), (130, 51452), (152, 44005), (190, 35204), (247, 27080), (260, 25726), (380, 17602), (494, 13540), (520, 12863), (677, 9880), (760, 8801), (988, 6770), (1235, 5416), (1354, 4940), (1976, 3385), (2470, 2708)]