20872820160

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{315109}}^1$

素因数の和:315155

約数の個数: 168

約数和(自身を含む): 74915511840

約数和(自身を除く): 54042691680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 64, 69, 72, 80, 90, 92, 96, 115, 120, 138, 144, 160, 180, 184, 192, 207, 230, 240, 276, 288, 320, 345, 360, 368, 414, 460, 480, 552, 576, 690, 720, 736, 828, 920, 960, 1035, 1104, 1380, 1440, 1472, 1656, 1840, 2070, 2208, 2760, 2880, 3312, 3680, 4140, 4416, 5520, 6624, 7360, 8280, 11040, 13248, 16560, 22080, 33120, 66240, 315109, 630218, 945327, 1260436, 1575545, 1890654, 2520872, 2835981, 3151090, 3781308, 4726635, 5041744, 5671962, 6302180, 7247507, 7562616, 9453270, 10083488, 11343924, 12604360, 14179905, 14495014, 15125232, 18906540, 20166976, 21742521, 22687848, 25208720, 28359810, 28990028, 30250464, 36237535, 37813080, 43485042, 45375696, 50417440, 56719620, 57980056, 60500928, 65227563, 72475070, 75626160, 86970084, 90751392, 100834880, 108712605, 113439240, 115960112, 130455126, 144950140, 151252320, 173940168, 181502784, 217425210, 226878480, 231920224, 260910252, 289900280, 302504640, 326137815, 347880336, 434850420, 453756960, 463840448, 521820504, 579800560, 652275630, 695760672, 869700840, 907513920, 1043641008, 1159601120, 1304551260, 1391521344, 1739401680, 2087282016, 2319202240, 2609102520, 3478803360, 4174564032, 5218205040, 6957606720, 10436410080, 20872820160]

約数ペア:

[(1, 20872820160), (2, 10436410080), (3, 6957606720), (4, 5218205040), (5, 4174564032), (6, 3478803360), (8, 2609102520), (9, 2319202240), (10, 2087282016), (12, 1739401680), (15, 1391521344), (16, 1304551260), (18, 1159601120), (20, 1043641008), (23, 907513920), (24, 869700840), (30, 695760672), (32, 652275630), (36, 579800560), (40, 521820504), (45, 463840448), (46, 453756960), (48, 434850420), (60, 347880336), (64, 326137815), (69, 302504640), (72, 289900280), (80, 260910252), (90, 231920224), (92, 226878480), (96, 217425210), (115, 181502784), (120, 173940168), (138, 151252320), (144, 144950140), (160, 130455126), (180, 115960112), (184, 113439240), (192, 108712605), (207, 100834880), (230, 90751392), (240, 86970084), (276, 75626160), (288, 72475070), (320, 65227563), (345, 60500928), (360, 57980056), (368, 56719620), (414, 50417440), (460, 45375696), (480, 43485042), (552, 37813080), (576, 36237535), (690, 30250464), (720, 28990028), (736, 28359810), (828, 25208720), (920, 22687848), (960, 21742521), (1035, 20166976), (1104, 18906540), (1380, 15125232), (1440, 14495014), (1472, 14179905), (1656, 12604360), (1840, 11343924), (2070, 10083488), (2208, 9453270), (2760, 7562616), (2880, 7247507), (3312, 6302180), (3680, 5671962), (4140, 5041744), (4416, 4726635), (5520, 3781308), (6624, 3151090), (7360, 2835981), (8280, 2520872), (11040, 1890654), (13248, 1575545), (16560, 1260436), (22080, 945327), (33120, 630218), (66240, 315109)]