326397760

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2531}}^1$

素因数の和:2592

約数の個数: 112

約数和(自身を含む): 864364032

約数和(自身を除く): 537966272

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 620, 806, 832, 992, 1040, 1240, 1612, 1984, 2015, 2080, 2480, 2531, 3224, 4030, 4160, 4960, 5062, 6448, 8060, 9920, 10124, 12655, 12896, 16120, 20248, 25310, 25792, 32240, 32903, 40496, 50620, 64480, 65806, 78461, 80992, 101240, 128960, 131612, 156922, 161984, 164515, 202480, 263224, 313844, 329030, 392305, 404960, 526448, 627688, 658060, 784610, 809920, 1019993, 1052896, 1255376, 1316120, 1569220, 2039986, 2105792, 2510752, 2632240, 3138440, 4079972, 5021504, 5099965, 5264480, 6276880, 8159944, 10199930, 10528960, 12553760, 16319888, 20399860, 25107520, 32639776, 40799720, 65279552, 81599440, 163198880, 326397760]

約数ペア:

[(1, 326397760), (2, 163198880), (4, 81599440), (5, 65279552), (8, 40799720), (10, 32639776), (13, 25107520), (16, 20399860), (20, 16319888), (26, 12553760), (31, 10528960), (32, 10199930), (40, 8159944), (52, 6276880), (62, 5264480), (64, 5099965), (65, 5021504), (80, 4079972), (104, 3138440), (124, 2632240), (130, 2510752), (155, 2105792), (160, 2039986), (208, 1569220), (248, 1316120), (260, 1255376), (310, 1052896), (320, 1019993), (403, 809920), (416, 784610), (496, 658060), (520, 627688), (620, 526448), (806, 404960), (832, 392305), (992, 329030), (1040, 313844), (1240, 263224), (1612, 202480), (1984, 164515), (2015, 161984), (2080, 156922), (2480, 131612), (2531, 128960), (3224, 101240), (4030, 80992), (4160, 78461), (4960, 65806), (5062, 64480), (6448, 50620), (8060, 40496), (9920, 32903), (10124, 32240), (12655, 25792), (12896, 25310), (16120, 20248)]