1997500080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{8322917}}^1$

素因数の和:8322933

約数の個数: 40

約数和(自身を含む): 6192250992

約数和(自身を除く): 4194750912

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 8322917, 16645834, 24968751, 33291668, 41614585, 49937502, 66583336, 83229170, 99875004, 124843755, 133166672, 166458340, 199750008, 249687510, 332916680, 399500016, 499375020, 665833360, 998750040, 1997500080]

約数ペア:

[(1, 1997500080), (2, 998750040), (3, 665833360), (4, 499375020), (5, 399500016), (6, 332916680), (8, 249687510), (10, 199750008), (12, 166458340), (15, 133166672), (16, 124843755), (20, 99875004), (24, 83229170), (30, 66583336), (40, 49937502), (48, 41614585), (60, 33291668), (80, 24968751), (120, 16645834), (240, 8322917)]