4282720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:128

約数の個数: 96

約数和(自身を含む): 11430720

約数和(自身を除く): 7148000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 32, 40, 52, 58, 65, 71, 80, 104, 116, 130, 142, 145, 160, 208, 232, 260, 284, 290, 355, 377, 416, 464, 520, 568, 580, 710, 754, 923, 928, 1040, 1136, 1160, 1420, 1508, 1846, 1885, 2059, 2080, 2272, 2320, 2840, 3016, 3692, 3770, 4118, 4615, 4640, 5680, 6032, 7384, 7540, 8236, 9230, 10295, 11360, 12064, 14768, 15080, 16472, 18460, 20590, 26767, 29536, 30160, 32944, 36920, 41180, 53534, 60320, 65888, 73840, 82360, 107068, 133835, 147680, 164720, 214136, 267670, 329440, 428272, 535340, 856544, 1070680, 2141360, 4282720]

約数ペア:

[(1, 4282720), (2, 2141360), (4, 1070680), (5, 856544), (8, 535340), (10, 428272), (13, 329440), (16, 267670), (20, 214136), (26, 164720), (29, 147680), (32, 133835), (40, 107068), (52, 82360), (58, 73840), (65, 65888), (71, 60320), (80, 53534), (104, 41180), (116, 36920), (130, 32944), (142, 30160), (145, 29536), (160, 26767), (208, 20590), (232, 18460), (260, 16472), (284, 15080), (290, 14768), (355, 12064), (377, 11360), (416, 10295), (464, 9230), (520, 8236), (568, 7540), (580, 7384), (710, 6032), (754, 5680), (923, 4640), (928, 4615), (1040, 4118), (1136, 3770), (1160, 3692), (1420, 3016), (1508, 2840), (1846, 2320), (1885, 2272), (2059, 2080)]