18738960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{78079}}^1$

素因数の和:78095

約数の個数: 40

約数和(自身を含む): 58091520

約数和(自身を除く): 39352560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 78079, 156158, 234237, 312316, 390395, 468474, 624632, 780790, 936948, 1171185, 1249264, 1561580, 1873896, 2342370, 3123160, 3747792, 4684740, 6246320, 9369480, 18738960]

約数ペア:

[(1, 18738960), (2, 9369480), (3, 6246320), (4, 4684740), (5, 3747792), (6, 3123160), (8, 2342370), (10, 1873896), (12, 1561580), (15, 1249264), (16, 1171185), (20, 936948), (24, 780790), (30, 624632), (40, 468474), (48, 390395), (60, 312316), (80, 234237), (120, 156158), (240, 78079)]