15721975984

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{577}}^1\times {\mathrm{11909}}^1$

素因数の和:12518

約数の個数: 80

約数和(自身を含む): 35851767840

約数和(自身を除く): 20129791856

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 577, 1144, 1154, 2288, 2308, 4616, 6347, 7501, 9232, 11909, 12694, 15002, 23818, 25388, 30004, 47636, 50776, 60008, 82511, 95272, 101552, 120016, 130999, 154817, 165022, 190544, 261998, 309634, 330044, 523996, 619268, 660088, 1047992, 1238536, 1320176, 1702987, 2095984, 2477072, 3405974, 6811948, 6871493, 13623896, 13742986, 27247792, 27485972, 54971944, 75586423, 89329409, 109943888, 151172846, 178658818, 302345692, 357317636, 604691384, 714635272, 982623499, 1209382768, 1429270544, 1965246998, 3930493996, 7860987992, 15721975984]

約数ペア:

[(1, 15721975984), (2, 7860987992), (4, 3930493996), (8, 1965246998), (11, 1429270544), (13, 1209382768), (16, 982623499), (22, 714635272), (26, 604691384), (44, 357317636), (52, 302345692), (88, 178658818), (104, 151172846), (143, 109943888), (176, 89329409), (208, 75586423), (286, 54971944), (572, 27485972), (577, 27247792), (1144, 13742986), (1154, 13623896), (2288, 6871493), (2308, 6811948), (4616, 3405974), (6347, 2477072), (7501, 2095984), (9232, 1702987), (11909, 1320176), (12694, 1238536), (15002, 1047992), (23818, 660088), (25388, 619268), (30004, 523996), (47636, 330044), (50776, 309634), (60008, 261998), (82511, 190544), (95272, 165022), (101552, 154817), (120016, 130999)]