57720

素因数分解:

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

素因数の和:64

約数の個数: 64

約数和(自身を含む): 191520

約数和(自身を除く): 133800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 37, 39, 40, 52, 60, 65, 74, 78, 104, 111, 120, 130, 148, 156, 185, 195, 222, 260, 296, 312, 370, 390, 444, 481, 520, 555, 740, 780, 888, 962, 1110, 1443, 1480, 1560, 1924, 2220, 2405, 2886, 3848, 4440, 4810, 5772, 7215, 9620, 11544, 14430, 19240, 28860, 57720]

約数ペア:

[(1, 57720), (2, 28860), (3, 19240), (4, 14430), (5, 11544), (6, 9620), (8, 7215), (10, 5772), (12, 4810), (13, 4440), (15, 3848), (20, 2886), (24, 2405), (26, 2220), (30, 1924), (37, 1560), (39, 1480), (40, 1443), (52, 1110), (60, 962), (65, 888), (74, 780), (78, 740), (104, 555), (111, 520), (120, 481), (130, 444), (148, 390), (156, 370), (185, 312), (195, 296), (222, 260)]