68015340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{997}}^1$

素因数の和:1391

約数の個数: 72

約数和(自身を含む): 207065040

約数和(自身を除く): 139049700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 379, 758, 997, 1137, 1516, 1895, 1994, 2274, 2991, 3411, 3790, 3988, 4548, 4985, 5685, 5982, 6822, 7580, 8973, 9970, 11370, 11964, 13644, 14955, 17055, 17946, 19940, 22740, 29910, 34110, 35892, 44865, 59820, 68220, 89730, 179460, 377863, 755726, 1133589, 1511452, 1889315, 2267178, 3400767, 3778630, 4534356, 5667945, 6801534, 7557260, 11335890, 13603068, 17003835, 22671780, 34007670, 68015340]

約数ペア:

[(1, 68015340), (2, 34007670), (3, 22671780), (4, 17003835), (5, 13603068), (6, 11335890), (9, 7557260), (10, 6801534), (12, 5667945), (15, 4534356), (18, 3778630), (20, 3400767), (30, 2267178), (36, 1889315), (45, 1511452), (60, 1133589), (90, 755726), (180, 377863), (379, 179460), (758, 89730), (997, 68220), (1137, 59820), (1516, 44865), (1895, 35892), (1994, 34110), (2274, 29910), (2991, 22740), (3411, 19940), (3790, 17946), (3988, 17055), (4548, 14955), (4985, 13644), (5685, 11964), (5982, 11370), (6822, 9970), (7580, 8973)]