287239920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{108803}}^1$

素因数の和:108830

約数の個数: 80

約数和(自身を含む): 971402112

約数和(自身を除く): 684162192

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 108803, 217606, 326409, 435212, 544015, 652818, 870424, 1088030, 1196833, 1305636, 1632045, 1740848, 2176060, 2393666, 2611272, 3264090, 3590499, 4352120, 4787332, 5222544, 5984165, 6528180, 7180998, 8704240, 9574664, 11968330, 13056360, 14361996, 17952495, 19149328, 23936660, 26112720, 28723992, 35904990, 47873320, 57447984, 71809980, 95746640, 143619960, 287239920]

約数ペア:

[(1, 287239920), (2, 143619960), (3, 95746640), (4, 71809980), (5, 57447984), (6, 47873320), (8, 35904990), (10, 28723992), (11, 26112720), (12, 23936660), (15, 19149328), (16, 17952495), (20, 14361996), (22, 13056360), (24, 11968330), (30, 9574664), (33, 8704240), (40, 7180998), (44, 6528180), (48, 5984165), (55, 5222544), (60, 4787332), (66, 4352120), (80, 3590499), (88, 3264090), (110, 2611272), (120, 2393666), (132, 2176060), (165, 1740848), (176, 1632045), (220, 1305636), (240, 1196833), (264, 1088030), (330, 870424), (440, 652818), (528, 544015), (660, 435212), (880, 326409), (1320, 217606), (2640, 108803)]