7987920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{401}}^1$

素因数の和:500

約数の個数: 80

約数和(自身を含む): 25123392

約数和(自身を除く): 17135472

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 83, 120, 166, 240, 249, 332, 401, 415, 498, 664, 802, 830, 996, 1203, 1245, 1328, 1604, 1660, 1992, 2005, 2406, 2490, 3208, 3320, 3984, 4010, 4812, 4980, 6015, 6416, 6640, 8020, 9624, 9960, 12030, 16040, 19248, 19920, 24060, 32080, 33283, 48120, 66566, 96240, 99849, 133132, 166415, 199698, 266264, 332830, 399396, 499245, 532528, 665660, 798792, 998490, 1331320, 1597584, 1996980, 2662640, 3993960, 7987920]

約数ペア:

[(1, 7987920), (2, 3993960), (3, 2662640), (4, 1996980), (5, 1597584), (6, 1331320), (8, 998490), (10, 798792), (12, 665660), (15, 532528), (16, 499245), (20, 399396), (24, 332830), (30, 266264), (40, 199698), (48, 166415), (60, 133132), (80, 99849), (83, 96240), (120, 66566), (166, 48120), (240, 33283), (249, 32080), (332, 24060), (401, 19920), (415, 19248), (498, 16040), (664, 12030), (802, 9960), (830, 9624), (996, 8020), (1203, 6640), (1245, 6416), (1328, 6015), (1604, 4980), (1660, 4812), (1992, 4010), (2005, 3984), (2406, 3320), (2490, 3208)]