128104080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2161}}^1$

素因数の和:2209

約数の個数: 160

約数和(自身を含む): 450387840

約数和(自身を除く): 322283760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 26, 30, 38, 39, 40, 48, 52, 57, 60, 65, 76, 78, 80, 95, 104, 114, 120, 130, 152, 156, 190, 195, 208, 228, 240, 247, 260, 285, 304, 312, 380, 390, 456, 494, 520, 570, 624, 741, 760, 780, 912, 988, 1040, 1140, 1235, 1482, 1520, 1560, 1976, 2161, 2280, 2470, 2964, 3120, 3705, 3952, 4322, 4560, 4940, 5928, 6483, 7410, 8644, 9880, 10805, 11856, 12966, 14820, 17288, 19760, 21610, 25932, 28093, 29640, 32415, 34576, 41059, 43220, 51864, 56186, 59280, 64830, 82118, 84279, 86440, 103728, 112372, 123177, 129660, 140465, 164236, 168558, 172880, 205295, 224744, 246354, 259320, 280930, 328472, 337116, 410590, 421395, 449488, 492708, 518640, 533767, 561860, 615885, 656944, 674232, 821180, 842790, 985416, 1067534, 1123720, 1231770, 1348464, 1601301, 1642360, 1685580, 1970832, 2135068, 2247440, 2463540, 2668835, 3202602, 3284720, 3371160, 4270136, 4927080, 5337670, 6405204, 6742320, 8006505, 8540272, 9854160, 10675340, 12810408, 16013010, 21350680, 25620816, 32026020, 42701360, 64052040, 128104080]

約数ペア:

[(1, 128104080), (2, 64052040), (3, 42701360), (4, 32026020), (5, 25620816), (6, 21350680), (8, 16013010), (10, 12810408), (12, 10675340), (13, 9854160), (15, 8540272), (16, 8006505), (19, 6742320), (20, 6405204), (24, 5337670), (26, 4927080), (30, 4270136), (38, 3371160), (39, 3284720), (40, 3202602), (48, 2668835), (52, 2463540), (57, 2247440), (60, 2135068), (65, 1970832), (76, 1685580), (78, 1642360), (80, 1601301), (95, 1348464), (104, 1231770), (114, 1123720), (120, 1067534), (130, 985416), (152, 842790), (156, 821180), (190, 674232), (195, 656944), (208, 615885), (228, 561860), (240, 533767), (247, 518640), (260, 492708), (285, 449488), (304, 421395), (312, 410590), (380, 337116), (390, 328472), (456, 280930), (494, 259320), (520, 246354), (570, 224744), (624, 205295), (741, 172880), (760, 168558), (780, 164236), (912, 140465), (988, 129660), (1040, 123177), (1140, 112372), (1235, 103728), (1482, 86440), (1520, 84279), (1560, 82118), (1976, 64830), (2161, 59280), (2280, 56186), (2470, 51864), (2964, 43220), (3120, 41059), (3705, 34576), (3952, 32415), (4322, 29640), (4560, 28093), (4940, 25932), (5928, 21610), (6483, 19760), (7410, 17288), (8644, 14820), (9880, 12966), (10805, 11856)]