178369360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{167}}^1$

素因数の和:285

約数の個数: 120

約数和(自身を含む): 457470720

約数和(自身を除く): 279101360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 79, 80, 104, 130, 158, 167, 169, 208, 260, 316, 334, 338, 395, 520, 632, 668, 676, 790, 835, 845, 1027, 1040, 1264, 1336, 1352, 1580, 1670, 1690, 2054, 2171, 2672, 2704, 3160, 3340, 3380, 4108, 4342, 5135, 6320, 6680, 6760, 8216, 8684, 10270, 10855, 13193, 13351, 13360, 13520, 16432, 17368, 20540, 21710, 26386, 26702, 28223, 34736, 41080, 43420, 52772, 53404, 56446, 65965, 66755, 82160, 86840, 105544, 106808, 112892, 131930, 133510, 141115, 171509, 173680, 211088, 213616, 225784, 263860, 267020, 282230, 343018, 451568, 527720, 534040, 564460, 686036, 857545, 1055440, 1068080, 1128920, 1372072, 1715090, 2229617, 2257840, 2744144, 3430180, 4459234, 6860360, 8918468, 11148085, 13720720, 17836936, 22296170, 35673872, 44592340, 89184680, 178369360]

約数ペア:

[(1, 178369360), (2, 89184680), (4, 44592340), (5, 35673872), (8, 22296170), (10, 17836936), (13, 13720720), (16, 11148085), (20, 8918468), (26, 6860360), (40, 4459234), (52, 3430180), (65, 2744144), (79, 2257840), (80, 2229617), (104, 1715090), (130, 1372072), (158, 1128920), (167, 1068080), (169, 1055440), (208, 857545), (260, 686036), (316, 564460), (334, 534040), (338, 527720), (395, 451568), (520, 343018), (632, 282230), (668, 267020), (676, 263860), (790, 225784), (835, 213616), (845, 211088), (1027, 173680), (1040, 171509), (1264, 141115), (1336, 133510), (1352, 131930), (1580, 112892), (1670, 106808), (1690, 105544), (2054, 86840), (2171, 82160), (2672, 66755), (2704, 65965), (3160, 56446), (3340, 53404), (3380, 52772), (4108, 43420), (4342, 41080), (5135, 34736), (6320, 28223), (6680, 26702), (6760, 26386), (8216, 21710), (8684, 20540), (10270, 17368), (10855, 16432), (13193, 13520), (13351, 13360)]