15789040

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{8581}}^1$

素因数の和:8617

約数の個数: 40

約数和(自身を含む): 38310048

約数和(自身を除く): 22521008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 8581, 17162, 34324, 42905, 68648, 85810, 137296, 171620, 197363, 343240, 394726, 686480, 789452, 986815, 1578904, 1973630, 3157808, 3947260, 7894520, 15789040]

約数ペア:

[(1, 15789040), (2, 7894520), (4, 3947260), (5, 3157808), (8, 1973630), (10, 1578904), (16, 986815), (20, 789452), (23, 686480), (40, 394726), (46, 343240), (80, 197363), (92, 171620), (115, 137296), (184, 85810), (230, 68648), (368, 42905), (460, 34324), (920, 17162), (1840, 8581)]