28617720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{238481}}^1$

素因数の和:238495

約数の個数: 32

約数和(自身を含む): 85853520

約数和(自身を除く): 57235800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 238481, 476962, 715443, 953924, 1192405, 1430886, 1907848, 2384810, 2861772, 3577215, 4769620, 5723544, 7154430, 9539240, 14308860, 28617720]

約数ペア:

[(1, 28617720), (2, 14308860), (3, 9539240), (4, 7154430), (5, 5723544), (6, 4769620), (8, 3577215), (10, 2861772), (12, 2384810), (15, 1907848), (20, 1430886), (24, 1192405), (30, 953924), (40, 715443), (60, 476962), (120, 238481)]