123394960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{2011}}^1$

素因数の和:2096

約数の個数: 80

約数和(自身を含む): 314354880

約数和(自身を除く): 190959920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 59, 65, 80, 104, 118, 130, 208, 236, 260, 295, 472, 520, 590, 767, 944, 1040, 1180, 1534, 2011, 2360, 3068, 3835, 4022, 4720, 6136, 7670, 8044, 10055, 12272, 15340, 16088, 20110, 26143, 30680, 32176, 40220, 52286, 61360, 80440, 104572, 118649, 130715, 160880, 209144, 237298, 261430, 418288, 474596, 522860, 593245, 949192, 1045720, 1186490, 1542437, 1898384, 2091440, 2372980, 3084874, 4745960, 6169748, 7712185, 9491920, 12339496, 15424370, 24678992, 30848740, 61697480, 123394960]

約数ペア:

[(1, 123394960), (2, 61697480), (4, 30848740), (5, 24678992), (8, 15424370), (10, 12339496), (13, 9491920), (16, 7712185), (20, 6169748), (26, 4745960), (40, 3084874), (52, 2372980), (59, 2091440), (65, 1898384), (80, 1542437), (104, 1186490), (118, 1045720), (130, 949192), (208, 593245), (236, 522860), (260, 474596), (295, 418288), (472, 261430), (520, 237298), (590, 209144), (767, 160880), (944, 130715), (1040, 118649), (1180, 104572), (1534, 80440), (2011, 61360), (2360, 52286), (3068, 40220), (3835, 32176), (4022, 30680), (4720, 26143), (6136, 20110), (7670, 16088), (8044, 15340), (10055, 12272)]