508728880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{4159}}^1$

素因数の和:4322

約数の個数: 80

約数和(自身を含む): 1299916800

約数和(自身を除く): 791187920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 139, 176, 220, 278, 440, 556, 695, 880, 1112, 1390, 1529, 2224, 2780, 3058, 4159, 5560, 6116, 7645, 8318, 11120, 12232, 15290, 16636, 20795, 24464, 30580, 33272, 41590, 45749, 61160, 66544, 83180, 91498, 122320, 166360, 182996, 228745, 332720, 365992, 457490, 578101, 731984, 914980, 1156202, 1829960, 2312404, 2890505, 3659920, 4624808, 5781010, 6359111, 9249616, 11562020, 12718222, 23124040, 25436444, 31795555, 46248080, 50872888, 63591110, 101745776, 127182220, 254364440, 508728880]

約数ペア:

[(1, 508728880), (2, 254364440), (4, 127182220), (5, 101745776), (8, 63591110), (10, 50872888), (11, 46248080), (16, 31795555), (20, 25436444), (22, 23124040), (40, 12718222), (44, 11562020), (55, 9249616), (80, 6359111), (88, 5781010), (110, 4624808), (139, 3659920), (176, 2890505), (220, 2312404), (278, 1829960), (440, 1156202), (556, 914980), (695, 731984), (880, 578101), (1112, 457490), (1390, 365992), (1529, 332720), (2224, 228745), (2780, 182996), (3058, 166360), (4159, 122320), (5560, 91498), (6116, 83180), (7645, 66544), (8318, 61160), (11120, 45749), (12232, 41590), (15290, 33272), (16636, 30580), (20795, 24464)]