1276538840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{823}}^1\times {\mathrm{2281}}^1$

素因数の和:3132

約数の個数: 64

約数和(自身を含む): 3046196160

約数和(自身を除く): 1769657320

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 823, 1646, 2281, 3292, 4115, 4562, 6584, 8230, 9124, 11405, 13991, 16460, 18248, 22810, 27982, 32920, 38777, 45620, 55964, 69955, 77554, 91240, 111928, 139910, 155108, 193885, 279820, 310216, 387770, 559640, 775540, 1551080, 1877263, 3754526, 7509052, 9386315, 15018104, 18772630, 31913471, 37545260, 63826942, 75090520, 127653884, 159567355, 255307768, 319134710, 638269420, 1276538840]

約数ペア:

[(1, 1276538840), (2, 638269420), (4, 319134710), (5, 255307768), (8, 159567355), (10, 127653884), (17, 75090520), (20, 63826942), (34, 37545260), (40, 31913471), (68, 18772630), (85, 15018104), (136, 9386315), (170, 7509052), (340, 3754526), (680, 1877263), (823, 1551080), (1646, 775540), (2281, 559640), (3292, 387770), (4115, 310216), (4562, 279820), (6584, 193885), (8230, 155108), (9124, 139910), (11405, 111928), (13991, 91240), (16460, 77554), (18248, 69955), (22810, 55964), (27982, 45620), (32920, 38777)]