129896804560

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1\times {\mathrm{90121}}^1$

素因数の和:90596

約数の個数: 80

約数和(自身を含む): 309774548160

約数和(自身を除く): 179877743600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 419, 430, 688, 838, 860, 1676, 1720, 2095, 3352, 3440, 4190, 6704, 8380, 16760, 18017, 33520, 36034, 72068, 90085, 90121, 144136, 180170, 180242, 288272, 360340, 360484, 450605, 720680, 720968, 901210, 1441360, 1441936, 1802420, 3604840, 3875203, 7209680, 7750406, 15500812, 19376015, 31001624, 37760699, 38752030, 62003248, 75521398, 77504060, 151042796, 155008120, 188803495, 302085592, 310016240, 377606990, 604171184, 755213980, 1510427960, 1623710057, 3020855920, 3247420114, 6494840228, 8118550285, 12989680456, 16237100570, 25979360912, 32474201140, 64948402280, 129896804560]

約数ペア:

[(1, 129896804560), (2, 64948402280), (4, 32474201140), (5, 25979360912), (8, 16237100570), (10, 12989680456), (16, 8118550285), (20, 6494840228), (40, 3247420114), (43, 3020855920), (80, 1623710057), (86, 1510427960), (172, 755213980), (215, 604171184), (344, 377606990), (419, 310016240), (430, 302085592), (688, 188803495), (838, 155008120), (860, 151042796), (1676, 77504060), (1720, 75521398), (2095, 62003248), (3352, 38752030), (3440, 37760699), (4190, 31001624), (6704, 19376015), (8380, 15500812), (16760, 7750406), (18017, 7209680), (33520, 3875203), (36034, 3604840), (72068, 1802420), (90085, 1441936), (90121, 1441360), (144136, 901210), (180170, 720968), (180242, 720680), (288272, 450605), (360340, 360484)]