861512120

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{3461}}^1$

素因数の和:3613

約数の個数: 96

約数和(自身を含む): 2273287680

約数和(自身を除く): 1411775560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 127, 140, 196, 245, 254, 280, 392, 490, 508, 635, 889, 980, 1016, 1270, 1778, 1960, 2540, 3461, 3556, 4445, 5080, 6223, 6922, 7112, 8890, 12446, 13844, 17305, 17780, 24227, 24892, 27688, 31115, 34610, 35560, 48454, 49784, 62230, 69220, 96908, 121135, 124460, 138440, 169589, 193816, 242270, 248920, 339178, 439547, 484540, 678356, 847945, 879094, 969080, 1356712, 1695890, 1758188, 2197735, 3076829, 3391780, 3516376, 4395470, 6153658, 6783560, 8790940, 12307316, 15384145, 17581880, 21537803, 24614632, 30768290, 43075606, 61536580, 86151212, 107689015, 123073160, 172302424, 215378030, 430756060, 861512120]

約数ペア:

[(1, 861512120), (2, 430756060), (4, 215378030), (5, 172302424), (7, 123073160), (8, 107689015), (10, 86151212), (14, 61536580), (20, 43075606), (28, 30768290), (35, 24614632), (40, 21537803), (49, 17581880), (56, 15384145), (70, 12307316), (98, 8790940), (127, 6783560), (140, 6153658), (196, 4395470), (245, 3516376), (254, 3391780), (280, 3076829), (392, 2197735), (490, 1758188), (508, 1695890), (635, 1356712), (889, 969080), (980, 879094), (1016, 847945), (1270, 678356), (1778, 484540), (1960, 439547), (2540, 339178), (3461, 248920), (3556, 242270), (4445, 193816), (5080, 169589), (6223, 138440), (6922, 124460), (7112, 121135), (8890, 96908), (12446, 69220), (13844, 62230), (17305, 49784), (17780, 48454), (24227, 35560), (24892, 34610), (27688, 31115)]