555720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1$

素因数の和:446

約数の個数: 64

約数和(自身を含む): 1823040

約数和(自身を除く): 1267320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 421, 440, 660, 842, 1263, 1320, 1684, 2105, 2526, 3368, 4210, 4631, 5052, 6315, 8420, 9262, 10104, 12630, 13893, 16840, 18524, 23155, 25260, 27786, 37048, 46310, 50520, 55572, 69465, 92620, 111144, 138930, 185240, 277860, 555720]

約数ペア:

[(1, 555720), (2, 277860), (3, 185240), (4, 138930), (5, 111144), (6, 92620), (8, 69465), (10, 55572), (11, 50520), (12, 46310), (15, 37048), (20, 27786), (22, 25260), (24, 23155), (30, 18524), (33, 16840), (40, 13893), (44, 12630), (55, 10104), (60, 9262), (66, 8420), (88, 6315), (110, 5052), (120, 4631), (132, 4210), (165, 3368), (220, 2526), (264, 2105), (330, 1684), (421, 1320), (440, 1263), (660, 842)]