64989840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{270791}}^1$

素因数の和:270807

約数の個数: 40

約数和(自身を含む): 201469248

約数和(自身を除く): 136479408

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 270791, 541582, 812373, 1083164, 1353955, 1624746, 2166328, 2707910, 3249492, 4061865, 4332656, 5415820, 6498984, 8123730, 10831640, 12997968, 16247460, 21663280, 32494920, 64989840]

約数ペア:

[(1, 64989840), (2, 32494920), (3, 21663280), (4, 16247460), (5, 12997968), (6, 10831640), (8, 8123730), (10, 6498984), (12, 5415820), (15, 4332656), (16, 4061865), (20, 3249492), (24, 2707910), (30, 2166328), (40, 1624746), (48, 1353955), (60, 1083164), (80, 812373), (120, 541582), (240, 270791)]