82783960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1709}}^1$

素因数の和:1900

約数の個数: 64

約数和(自身を含む): 214228800

約数和(自身を除く): 131444840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 173, 280, 346, 692, 865, 1211, 1384, 1709, 1730, 2422, 3418, 3460, 4844, 6055, 6836, 6920, 8545, 9688, 11963, 12110, 13672, 17090, 23926, 24220, 34180, 47852, 48440, 59815, 68360, 95704, 119630, 239260, 295657, 478520, 591314, 1182628, 1478285, 2069599, 2365256, 2956570, 4139198, 5913140, 8278396, 10347995, 11826280, 16556792, 20695990, 41391980, 82783960]

約数ペア:

[(1, 82783960), (2, 41391980), (4, 20695990), (5, 16556792), (7, 11826280), (8, 10347995), (10, 8278396), (14, 5913140), (20, 4139198), (28, 2956570), (35, 2365256), (40, 2069599), (56, 1478285), (70, 1182628), (140, 591314), (173, 478520), (280, 295657), (346, 239260), (692, 119630), (865, 95704), (1211, 68360), (1384, 59815), (1709, 48440), (1730, 47852), (2422, 34180), (3418, 24220), (3460, 23926), (4844, 17090), (6055, 13672), (6836, 12110), (6920, 11963), (8545, 9688)]