55537640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:171

約数の個数: 128

約数和(自身を含む): 142767360

約数和(自身を除く): 87229720

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 53, 67, 68, 85, 92, 106, 115, 134, 136, 170, 184, 212, 230, 265, 268, 335, 340, 391, 424, 460, 530, 536, 670, 680, 782, 901, 920, 1060, 1139, 1219, 1340, 1541, 1564, 1802, 1955, 2120, 2278, 2438, 2680, 3082, 3128, 3551, 3604, 3910, 4505, 4556, 4876, 5695, 6095, 6164, 7102, 7208, 7705, 7820, 9010, 9112, 9752, 11390, 12190, 12328, 14204, 15410, 15640, 17755, 18020, 20723, 22780, 24380, 26197, 28408, 30820, 35510, 36040, 41446, 45560, 48760, 52394, 60367, 61640, 71020, 81673, 82892, 103615, 104788, 120734, 130985, 142040, 163346, 165784, 207230, 209576, 241468, 261970, 301835, 326692, 408365, 414460, 482936, 523940, 603670, 653384, 816730, 828920, 1047880, 1207340, 1388441, 1633460, 2414680, 2776882, 3266920, 5553764, 6942205, 11107528, 13884410, 27768820, 55537640]

約数ペア:

[(1, 55537640), (2, 27768820), (4, 13884410), (5, 11107528), (8, 6942205), (10, 5553764), (17, 3266920), (20, 2776882), (23, 2414680), (34, 1633460), (40, 1388441), (46, 1207340), (53, 1047880), (67, 828920), (68, 816730), (85, 653384), (92, 603670), (106, 523940), (115, 482936), (134, 414460), (136, 408365), (170, 326692), (184, 301835), (212, 261970), (230, 241468), (265, 209576), (268, 207230), (335, 165784), (340, 163346), (391, 142040), (424, 130985), (460, 120734), (530, 104788), (536, 103615), (670, 82892), (680, 81673), (782, 71020), (901, 61640), (920, 60367), (1060, 52394), (1139, 48760), (1219, 45560), (1340, 41446), (1541, 36040), (1564, 35510), (1802, 30820), (1955, 28408), (2120, 26197), (2278, 24380), (2438, 22780), (2680, 20723), (3082, 18020), (3128, 17755), (3551, 15640), (3604, 15410), (3910, 14204), (4505, 12328), (4556, 12190), (4876, 11390), (5695, 9752), (6095, 9112), (6164, 9010), (7102, 7820), (7208, 7705)]