28477860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{911}}^1$

素因数の和:1444

約数の個数: 48

約数和(自身を含む): 79978752

約数和(自身を除く): 51500892

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 521, 911, 1042, 1563, 1822, 2084, 2605, 2733, 3126, 3644, 4555, 5210, 5466, 6252, 7815, 9110, 10420, 10932, 13665, 15630, 18220, 27330, 31260, 54660, 474631, 949262, 1423893, 1898524, 2373155, 2847786, 4746310, 5695572, 7119465, 9492620, 14238930, 28477860]

約数ペア:

[(1, 28477860), (2, 14238930), (3, 9492620), (4, 7119465), (5, 5695572), (6, 4746310), (10, 2847786), (12, 2373155), (15, 1898524), (20, 1423893), (30, 949262), (60, 474631), (521, 54660), (911, 31260), (1042, 27330), (1563, 18220), (1822, 15630), (2084, 13665), (2605, 10932), (2733, 10420), (3126, 9110), (3644, 7815), (4555, 6252), (5210, 5466)]