6621560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:272

約数の個数: 64

約数和(自身を含む): 16524000

約数和(自身を除く): 9902440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 101, 110, 149, 202, 220, 298, 404, 440, 505, 596, 745, 808, 1010, 1111, 1192, 1490, 1639, 2020, 2222, 2980, 3278, 4040, 4444, 5555, 5960, 6556, 8195, 8888, 11110, 13112, 15049, 16390, 22220, 30098, 32780, 44440, 60196, 65560, 75245, 120392, 150490, 165539, 300980, 331078, 601960, 662156, 827695, 1324312, 1655390, 3310780, 6621560]

約数ペア:

[(1, 6621560), (2, 3310780), (4, 1655390), (5, 1324312), (8, 827695), (10, 662156), (11, 601960), (20, 331078), (22, 300980), (40, 165539), (44, 150490), (55, 120392), (88, 75245), (101, 65560), (110, 60196), (149, 44440), (202, 32780), (220, 30098), (298, 22220), (404, 16390), (440, 15049), (505, 13112), (596, 11110), (745, 8888), (808, 8195), (1010, 6556), (1111, 5960), (1192, 5555), (1490, 4444), (1639, 4040), (2020, 3278), (2222, 2980)]