8280870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1249}}^1$

素因数の和:1289

約数の個数: 64

約数和(自身を含む): 22680000

約数和(自身を除く): 14399130

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 170, 195, 221, 255, 390, 442, 510, 663, 1105, 1249, 1326, 2210, 2498, 3315, 3747, 6245, 6630, 7494, 12490, 16237, 18735, 21233, 32474, 37470, 42466, 48711, 63699, 81185, 97422, 106165, 127398, 162370, 212330, 243555, 276029, 318495, 487110, 552058, 636990, 828087, 1380145, 1656174, 2760290, 4140435, 8280870]

約数ペア:

[(1, 8280870), (2, 4140435), (3, 2760290), (5, 1656174), (6, 1380145), (10, 828087), (13, 636990), (15, 552058), (17, 487110), (26, 318495), (30, 276029), (34, 243555), (39, 212330), (51, 162370), (65, 127398), (78, 106165), (85, 97422), (102, 81185), (130, 63699), (170, 48711), (195, 42466), (221, 37470), (255, 32474), (390, 21233), (442, 18735), (510, 16237), (663, 12490), (1105, 7494), (1249, 6630), (1326, 6245), (2210, 3747), (2498, 3315)]