1321584440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{18427}}^1$

素因数の和:18612

約数の個数: 64

約数和(自身を含む): 3263967360

約数和(自身を除く): 1942382920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 163, 220, 326, 440, 652, 815, 1304, 1630, 1793, 3260, 3586, 6520, 7172, 8965, 14344, 17930, 18427, 35860, 36854, 71720, 73708, 92135, 147416, 184270, 202697, 368540, 405394, 737080, 810788, 1013485, 1621576, 2026970, 3003601, 4053940, 6007202, 8107880, 12014404, 15018005, 24028808, 30036010, 33039611, 60072020, 66079222, 120144040, 132158444, 165198055, 264316888, 330396110, 660792220, 1321584440]

約数ペア:

[(1, 1321584440), (2, 660792220), (4, 330396110), (5, 264316888), (8, 165198055), (10, 132158444), (11, 120144040), (20, 66079222), (22, 60072020), (40, 33039611), (44, 30036010), (55, 24028808), (88, 15018005), (110, 12014404), (163, 8107880), (220, 6007202), (326, 4053940), (440, 3003601), (652, 2026970), (815, 1621576), (1304, 1013485), (1630, 810788), (1793, 737080), (3260, 405394), (3586, 368540), (6520, 202697), (7172, 184270), (8965, 147416), (14344, 92135), (17930, 73708), (18427, 71720), (35860, 36854)]