77675960

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{523}}^1$

素因数の和:660

約数の個数: 64

約数和(自身を含む): 181094400

約数和(自身を除く): 103418440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 79, 94, 158, 188, 235, 316, 376, 395, 470, 523, 632, 790, 940, 1046, 1580, 1880, 2092, 2615, 3160, 3713, 4184, 5230, 7426, 10460, 14852, 18565, 20920, 24581, 29704, 37130, 41317, 49162, 74260, 82634, 98324, 122905, 148520, 165268, 196648, 206585, 245810, 330536, 413170, 491620, 826340, 983240, 1652680, 1941899, 3883798, 7767596, 9709495, 15535192, 19418990, 38837980, 77675960]

約数ペア:

[(1, 77675960), (2, 38837980), (4, 19418990), (5, 15535192), (8, 9709495), (10, 7767596), (20, 3883798), (40, 1941899), (47, 1652680), (79, 983240), (94, 826340), (158, 491620), (188, 413170), (235, 330536), (316, 245810), (376, 206585), (395, 196648), (470, 165268), (523, 148520), (632, 122905), (790, 98324), (940, 82634), (1046, 74260), (1580, 49162), (1880, 41317), (2092, 37130), (2615, 29704), (3160, 24581), (3713, 20920), (4184, 18565), (5230, 14852), (7426, 10460)]