30688280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{863}}^1$

素因数の和:1008

約数の個数: 64

約数和(自身を含む): 79626240

約数和(自身を除く): 48937960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 127, 140, 254, 280, 508, 635, 863, 889, 1016, 1270, 1726, 1778, 2540, 3452, 3556, 4315, 4445, 5080, 6041, 6904, 7112, 8630, 8890, 12082, 17260, 17780, 24164, 30205, 34520, 35560, 48328, 60410, 109601, 120820, 219202, 241640, 438404, 548005, 767207, 876808, 1096010, 1534414, 2192020, 3068828, 3836035, 4384040, 6137656, 7672070, 15344140, 30688280]

約数ペア:

[(1, 30688280), (2, 15344140), (4, 7672070), (5, 6137656), (7, 4384040), (8, 3836035), (10, 3068828), (14, 2192020), (20, 1534414), (28, 1096010), (35, 876808), (40, 767207), (56, 548005), (70, 438404), (127, 241640), (140, 219202), (254, 120820), (280, 109601), (508, 60410), (635, 48328), (863, 35560), (889, 34520), (1016, 30205), (1270, 24164), (1726, 17780), (1778, 17260), (2540, 12082), (3452, 8890), (3556, 8630), (4315, 7112), (4445, 6904), (5080, 6041)]