64195720

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{283}}^1$

素因数の和:454

約数の個数: 64

約数和(自身を含む): 149065920

約数和(自身を除く): 84870200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 107, 212, 214, 265, 283, 424, 428, 530, 535, 566, 856, 1060, 1070, 1132, 1415, 2120, 2140, 2264, 2830, 4280, 5660, 5671, 11320, 11342, 14999, 22684, 28355, 29998, 30281, 45368, 56710, 59996, 60562, 74995, 113420, 119992, 121124, 149990, 151405, 226840, 242248, 299980, 302810, 599960, 605620, 1211240, 1604893, 3209786, 6419572, 8024465, 12839144, 16048930, 32097860, 64195720]

約数ペア:

[(1, 64195720), (2, 32097860), (4, 16048930), (5, 12839144), (8, 8024465), (10, 6419572), (20, 3209786), (40, 1604893), (53, 1211240), (106, 605620), (107, 599960), (212, 302810), (214, 299980), (265, 242248), (283, 226840), (424, 151405), (428, 149990), (530, 121124), (535, 119992), (566, 113420), (856, 74995), (1060, 60562), (1070, 59996), (1132, 56710), (1415, 45368), (2120, 30281), (2140, 29998), (2264, 28355), (2830, 22684), (4280, 14999), (5660, 11342), (5671, 11320)]