28860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:62

約数の個数: 48

約数和(自身を含む): 89376

約数和(自身を除く): 60516

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 37, 39, 52, 60, 65, 74, 78, 111, 130, 148, 156, 185, 195, 222, 260, 370, 390, 444, 481, 555, 740, 780, 962, 1110, 1443, 1924, 2220, 2405, 2886, 4810, 5772, 7215, 9620, 14430, 28860]

約数ペア:

[(1, 28860), (2, 14430), (3, 9620), (4, 7215), (5, 5772), (6, 4810), (10, 2886), (12, 2405), (13, 2220), (15, 1924), (20, 1443), (26, 1110), (30, 962), (37, 780), (39, 740), (52, 555), (60, 481), (65, 444), (74, 390), (78, 370), (111, 260), (130, 222), (148, 195), (156, 185)]