81874440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{467}}^1\times {\mathrm{487}}^1$

素因数の和:971

約数の個数: 96

約数和(自身を含む): 267209280

約数和(自身を除く): 185334840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 467, 487, 934, 974, 1401, 1461, 1868, 1948, 2335, 2435, 2802, 2922, 3736, 3896, 4203, 4383, 4670, 4870, 5604, 5844, 7005, 7305, 8406, 8766, 9340, 9740, 11208, 11688, 14010, 14610, 16812, 17532, 18680, 19480, 21015, 21915, 28020, 29220, 33624, 35064, 42030, 43830, 56040, 58440, 84060, 87660, 168120, 175320, 227429, 454858, 682287, 909716, 1137145, 1364574, 1819432, 2046861, 2274290, 2729148, 3411435, 4093722, 4548580, 5458296, 6822870, 8187444, 9097160, 10234305, 13645740, 16374888, 20468610, 27291480, 40937220, 81874440]

約数ペア:

[(1, 81874440), (2, 40937220), (3, 27291480), (4, 20468610), (5, 16374888), (6, 13645740), (8, 10234305), (9, 9097160), (10, 8187444), (12, 6822870), (15, 5458296), (18, 4548580), (20, 4093722), (24, 3411435), (30, 2729148), (36, 2274290), (40, 2046861), (45, 1819432), (60, 1364574), (72, 1137145), (90, 909716), (120, 682287), (180, 454858), (360, 227429), (467, 175320), (487, 168120), (934, 87660), (974, 84060), (1401, 58440), (1461, 56040), (1868, 43830), (1948, 42030), (2335, 35064), (2435, 33624), (2802, 29220), (2922, 28020), (3736, 21915), (3896, 21015), (4203, 19480), (4383, 18680), (4670, 17532), (4870, 16812), (5604, 14610), (5844, 14010), (7005, 11688), (7305, 11208), (8406, 9740), (8766, 9340)]