87212840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:307

約数の個数: 128

約数和(自身を含む): 234662400

約数和(自身を除く): 147449560

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 79, 88, 104, 110, 130, 143, 158, 193, 220, 260, 286, 316, 386, 395, 440, 520, 572, 632, 715, 772, 790, 869, 965, 1027, 1144, 1430, 1544, 1580, 1738, 1930, 2054, 2123, 2509, 2860, 3160, 3476, 3860, 4108, 4246, 4345, 5018, 5135, 5720, 6952, 7720, 8216, 8492, 8690, 10036, 10270, 10615, 11297, 12545, 15247, 16984, 17380, 20072, 20540, 21230, 22594, 25090, 27599, 30494, 34760, 41080, 42460, 45188, 50180, 55198, 56485, 60988, 76235, 84920, 90376, 100360, 110396, 112970, 121976, 137995, 152470, 167717, 198211, 220792, 225940, 275990, 304940, 335434, 396422, 451880, 551980, 609880, 670868, 792844, 838585, 991055, 1103960, 1341736, 1585688, 1677170, 1982110, 2180321, 3354340, 3964220, 4360642, 6708680, 7928440, 8721284, 10901605, 17442568, 21803210, 43606420, 87212840]

約数ペア:

[(1, 87212840), (2, 43606420), (4, 21803210), (5, 17442568), (8, 10901605), (10, 8721284), (11, 7928440), (13, 6708680), (20, 4360642), (22, 3964220), (26, 3354340), (40, 2180321), (44, 1982110), (52, 1677170), (55, 1585688), (65, 1341736), (79, 1103960), (88, 991055), (104, 838585), (110, 792844), (130, 670868), (143, 609880), (158, 551980), (193, 451880), (220, 396422), (260, 335434), (286, 304940), (316, 275990), (386, 225940), (395, 220792), (440, 198211), (520, 167717), (572, 152470), (632, 137995), (715, 121976), (772, 112970), (790, 110396), (869, 100360), (965, 90376), (1027, 84920), (1144, 76235), (1430, 60988), (1544, 56485), (1580, 55198), (1738, 50180), (1930, 45188), (2054, 42460), (2123, 41080), (2509, 34760), (2860, 30494), (3160, 27599), (3476, 25090), (3860, 22594), (4108, 21230), (4246, 20540), (4345, 20072), (5018, 17380), (5135, 16984), (5720, 15247), (6952, 12545), (7720, 11297), (8216, 10615), (8492, 10270), (8690, 10036)]