1520792287725

素因数分解:

$3^1\times 5^2\times {\mathrm{349}}^1\times {\mathrm{421}}^1\times {\mathrm{138007}}^1$

素因数の和:138790

約数の個数: 48

約数和(自身を含む): 2527588918400

約数和(自身を除く): 1006796630675

約数列:

[1, 3, 5, 15, 25, 75, 349, 421, 1047, 1263, 1745, 2105, 5235, 6315, 8725, 10525, 26175, 31575, 138007, 146929, 414021, 440787, 690035, 734645, 2070105, 2203935, 3450175, 3673225, 10350525, 11019675, 48164443, 58100947, 144493329, 174302841, 240822215, 290504735, 722466645, 871514205, 1204111075, 1452523675, 3612333225, 4357571025, 20277230503, 60831691509, 101386152515, 304158457545, 506930762575, 1520792287725]

約数ペア:

[(1, 1520792287725), (3, 506930762575), (5, 304158457545), (15, 101386152515), (25, 60831691509), (75, 20277230503), (349, 4357571025), (421, 3612333225), (1047, 1452523675), (1263, 1204111075), (1745, 871514205), (2105, 722466645), (5235, 290504735), (6315, 240822215), (8725, 174302841), (10525, 144493329), (26175, 58100947), (31575, 48164443), (138007, 11019675), (146929, 10350525), (414021, 3673225), (440787, 3450175), (690035, 2203935), (734645, 2070105)]