1319240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:126

約数の個数: 64

約数和(自身を含む): 3326400

約数和(自身を除く): 2007160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 59, 65, 86, 104, 118, 130, 172, 215, 236, 260, 295, 344, 430, 472, 520, 559, 590, 767, 860, 1118, 1180, 1534, 1720, 2236, 2360, 2537, 2795, 3068, 3835, 4472, 5074, 5590, 6136, 7670, 10148, 11180, 12685, 15340, 20296, 22360, 25370, 30680, 32981, 50740, 65962, 101480, 131924, 164905, 263848, 329810, 659620, 1319240]

約数ペア:

[(1, 1319240), (2, 659620), (4, 329810), (5, 263848), (8, 164905), (10, 131924), (13, 101480), (20, 65962), (26, 50740), (40, 32981), (43, 30680), (52, 25370), (59, 22360), (65, 20296), (86, 15340), (104, 12685), (118, 11180), (130, 10148), (172, 7670), (215, 6136), (236, 5590), (260, 5074), (295, 4472), (344, 3835), (430, 3068), (472, 2795), (520, 2537), (559, 2360), (590, 2236), (767, 1720), (860, 1534), (1118, 1180)]