66878240

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:155

約数の個数: 192

約数和(自身を含む): 193052160

約数和(自身を除く): 126173920

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 37, 40, 44, 52, 55, 65, 74, 79, 80, 88, 104, 110, 130, 143, 148, 158, 160, 176, 185, 208, 220, 260, 286, 296, 316, 352, 370, 395, 407, 416, 440, 481, 520, 572, 592, 632, 715, 740, 790, 814, 869, 880, 962, 1027, 1040, 1144, 1184, 1264, 1430, 1480, 1580, 1628, 1738, 1760, 1924, 2035, 2054, 2080, 2288, 2405, 2528, 2860, 2923, 2960, 3160, 3256, 3476, 3848, 4070, 4108, 4345, 4576, 4810, 5135, 5291, 5720, 5846, 5920, 6320, 6512, 6952, 7696, 8140, 8216, 8690, 9620, 10270, 10582, 11297, 11440, 11692, 12640, 13024, 13904, 14615, 15392, 16280, 16432, 17380, 19240, 20540, 21164, 22594, 22880, 23384, 26455, 27808, 29230, 32153, 32560, 32864, 34760, 37999, 38480, 41080, 42328, 45188, 46768, 52910, 56485, 58460, 64306, 65120, 69520, 75998, 76960, 82160, 84656, 90376, 93536, 105820, 112970, 116920, 128612, 139040, 151996, 160765, 164320, 169312, 180752, 189995, 211640, 225940, 233840, 257224, 303992, 321530, 361504, 379990, 417989, 423280, 451880, 467680, 514448, 607984, 643060, 759980, 835978, 846560, 903760, 1028896, 1215968, 1286120, 1519960, 1671956, 1807520, 2089945, 2572240, 3039920, 3343912, 4179890, 5144480, 6079840, 6687824, 8359780, 13375648, 16719560, 33439120, 66878240]

約数ペア:

[(1, 66878240), (2, 33439120), (4, 16719560), (5, 13375648), (8, 8359780), (10, 6687824), (11, 6079840), (13, 5144480), (16, 4179890), (20, 3343912), (22, 3039920), (26, 2572240), (32, 2089945), (37, 1807520), (40, 1671956), (44, 1519960), (52, 1286120), (55, 1215968), (65, 1028896), (74, 903760), (79, 846560), (80, 835978), (88, 759980), (104, 643060), (110, 607984), (130, 514448), (143, 467680), (148, 451880), (158, 423280), (160, 417989), (176, 379990), (185, 361504), (208, 321530), (220, 303992), (260, 257224), (286, 233840), (296, 225940), (316, 211640), (352, 189995), (370, 180752), (395, 169312), (407, 164320), (416, 160765), (440, 151996), (481, 139040), (520, 128612), (572, 116920), (592, 112970), (632, 105820), (715, 93536), (740, 90376), (790, 84656), (814, 82160), (869, 76960), (880, 75998), (962, 69520), (1027, 65120), (1040, 64306), (1144, 58460), (1184, 56485), (1264, 52910), (1430, 46768), (1480, 45188), (1580, 42328), (1628, 41080), (1738, 38480), (1760, 37999), (1924, 34760), (2035, 32864), (2054, 32560), (2080, 32153), (2288, 29230), (2405, 27808), (2528, 26455), (2860, 23384), (2923, 22880), (2960, 22594), (3160, 21164), (3256, 20540), (3476, 19240), (3848, 17380), (4070, 16432), (4108, 16280), (4345, 15392), (4576, 14615), (4810, 13904), (5135, 13024), (5291, 12640), (5720, 11692), (5846, 11440), (5920, 11297), (6320, 10582), (6512, 10270), (6952, 9620), (7696, 8690), (8140, 8216)]