64709520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{269623}}^1$

素因数の和:269639

約数の個数: 40

約数和(自身を含む): 200600256

約数和(自身を除く): 135890736

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 269623, 539246, 808869, 1078492, 1348115, 1617738, 2156984, 2696230, 3235476, 4044345, 4313968, 5392460, 6470952, 8088690, 10784920, 12941904, 16177380, 21569840, 32354760, 64709520]

約数ペア:

[(1, 64709520), (2, 32354760), (3, 21569840), (4, 16177380), (5, 12941904), (6, 10784920), (8, 8088690), (10, 6470952), (12, 5392460), (15, 4313968), (16, 4044345), (20, 3235476), (24, 2696230), (30, 2156984), (40, 1617738), (48, 1348115), (60, 1078492), (80, 808869), (120, 539246), (240, 269623)]