11666720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:178

約数の個数: 96

約数和(自身を含む): 30481920

約数和(自身を除く): 18815200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 71, 79, 80, 104, 130, 142, 158, 160, 208, 260, 284, 316, 355, 395, 416, 520, 568, 632, 710, 790, 923, 1027, 1040, 1136, 1264, 1420, 1580, 1846, 2054, 2080, 2272, 2528, 2840, 3160, 3692, 4108, 4615, 5135, 5609, 5680, 6320, 7384, 8216, 9230, 10270, 11218, 11360, 12640, 14768, 16432, 18460, 20540, 22436, 28045, 29536, 32864, 36920, 41080, 44872, 56090, 72917, 73840, 82160, 89744, 112180, 145834, 147680, 164320, 179488, 224360, 291668, 364585, 448720, 583336, 729170, 897440, 1166672, 1458340, 2333344, 2916680, 5833360, 11666720]

約数ペア:

[(1, 11666720), (2, 5833360), (4, 2916680), (5, 2333344), (8, 1458340), (10, 1166672), (13, 897440), (16, 729170), (20, 583336), (26, 448720), (32, 364585), (40, 291668), (52, 224360), (65, 179488), (71, 164320), (79, 147680), (80, 145834), (104, 112180), (130, 89744), (142, 82160), (158, 73840), (160, 72917), (208, 56090), (260, 44872), (284, 41080), (316, 36920), (355, 32864), (395, 29536), (416, 28045), (520, 22436), (568, 20540), (632, 18460), (710, 16432), (790, 14768), (923, 12640), (1027, 11360), (1040, 11218), (1136, 10270), (1264, 9230), (1420, 8216), (1580, 7384), (1846, 6320), (2054, 5680), (2080, 5609), (2272, 5135), (2528, 4615), (2840, 4108), (3160, 3692)]