128986140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{126457}}^1$

素因数の和:126486

約数の個数: 48

約数和(自身を含む): 382408992

約数和(自身を除く): 253422852

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 126457, 252914, 379371, 505828, 632285, 758742, 1264570, 1517484, 1896855, 2149769, 2529140, 3793710, 4299538, 6449307, 7587420, 8599076, 10748845, 12898614, 21497690, 25797228, 32246535, 42995380, 64493070, 128986140]

約数ペア:

[(1, 128986140), (2, 64493070), (3, 42995380), (4, 32246535), (5, 25797228), (6, 21497690), (10, 12898614), (12, 10748845), (15, 8599076), (17, 7587420), (20, 6449307), (30, 4299538), (34, 3793710), (51, 2529140), (60, 2149769), (68, 1896855), (85, 1517484), (102, 1264570), (170, 758742), (204, 632285), (255, 505828), (340, 379371), (510, 252914), (1020, 126457)]