68306920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^3\times {\mathrm{1283}}^1$

素因数の和:1327

約数の個数: 64

約数和(自身を含む): 169179840

約数和(自身を除く): 100872920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 1283, 1331, 2420, 2566, 2662, 4840, 5132, 5324, 6415, 6655, 10264, 10648, 12830, 13310, 14113, 25660, 26620, 28226, 51320, 53240, 56452, 70565, 112904, 141130, 155243, 282260, 310486, 564520, 620972, 776215, 1241944, 1552430, 1707673, 3104860, 3415346, 6209720, 6830692, 8538365, 13661384, 17076730, 34153460, 68306920]

約数ペア:

[(1, 68306920), (2, 34153460), (4, 17076730), (5, 13661384), (8, 8538365), (10, 6830692), (11, 6209720), (20, 3415346), (22, 3104860), (40, 1707673), (44, 1552430), (55, 1241944), (88, 776215), (110, 620972), (121, 564520), (220, 310486), (242, 282260), (440, 155243), (484, 141130), (605, 112904), (968, 70565), (1210, 56452), (1283, 53240), (1331, 51320), (2420, 28226), (2566, 26620), (2662, 25660), (4840, 14113), (5132, 13310), (5324, 12830), (6415, 10648), (6655, 10264)]