28707720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{239231}}^1$

素因数の和:239245

約数の個数: 32

約数和(自身を含む): 86123520

約数和(自身を除く): 57415800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 239231, 478462, 717693, 956924, 1196155, 1435386, 1913848, 2392310, 2870772, 3588465, 4784620, 5741544, 7176930, 9569240, 14353860, 28707720]

約数ペア:

[(1, 28707720), (2, 14353860), (3, 9569240), (4, 7176930), (5, 5741544), (6, 4784620), (8, 3588465), (10, 2870772), (12, 2392310), (15, 1913848), (20, 1435386), (24, 1196155), (30, 956924), (40, 717693), (60, 478462), (120, 239231)]