71401980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{91541}}^1$

素因数の和:91566

約数の個数: 48

約数和(自身を含む): 215306784

約数和(自身を除く): 143904804

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 91541, 183082, 274623, 366164, 457705, 549246, 915410, 1098492, 1190033, 1373115, 1830820, 2380066, 2746230, 3570099, 4760132, 5492460, 5950165, 7140198, 11900330, 14280396, 17850495, 23800660, 35700990, 71401980]

約数ペア:

[(1, 71401980), (2, 35700990), (3, 23800660), (4, 17850495), (5, 14280396), (6, 11900330), (10, 7140198), (12, 5950165), (13, 5492460), (15, 4760132), (20, 3570099), (26, 2746230), (30, 2380066), (39, 1830820), (52, 1373115), (60, 1190033), (65, 1098492), (78, 915410), (130, 549246), (156, 457705), (195, 366164), (260, 274623), (390, 183082), (780, 91541)]