72669680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47809}}^1$

素因数の和:47841

約数の個数: 40

約数和(自身を含む): 177853200

約数和(自身を除く): 105183520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 47809, 95618, 191236, 239045, 382472, 478090, 764944, 908371, 956180, 1816742, 1912360, 3633484, 3824720, 4541855, 7266968, 9083710, 14533936, 18167420, 36334840, 72669680]

約数ペア:

[(1, 72669680), (2, 36334840), (4, 18167420), (5, 14533936), (8, 9083710), (10, 7266968), (16, 4541855), (19, 3824720), (20, 3633484), (38, 1912360), (40, 1816742), (76, 956180), (80, 908371), (95, 764944), (152, 478090), (190, 382472), (304, 239045), (380, 191236), (760, 95618), (1520, 47809)]