87363780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{208009}}^1$

素因数の和:208028

約数の個数: 48

約数和(自身を含む): 279565440

約数和(自身を除く): 192201660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 208009, 416018, 624027, 832036, 1040045, 1248054, 1456063, 2080090, 2496108, 2912126, 3120135, 4160180, 4368189, 5824252, 6240270, 7280315, 8736378, 12480540, 14560630, 17472756, 21840945, 29121260, 43681890, 87363780]

約数ペア:

[(1, 87363780), (2, 43681890), (3, 29121260), (4, 21840945), (5, 17472756), (6, 14560630), (7, 12480540), (10, 8736378), (12, 7280315), (14, 6240270), (15, 5824252), (20, 4368189), (21, 4160180), (28, 3120135), (30, 2912126), (35, 2496108), (42, 2080090), (60, 1456063), (70, 1248054), (84, 1040045), (105, 832036), (140, 624027), (210, 416018), (420, 208009)]