15988280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1$

素因数の和:237

約数の個数: 128

約数和(自身を含む): 46656000

約数和(自身を除く): 30667720

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 29, 35, 40, 44, 55, 56, 58, 70, 77, 88, 110, 116, 140, 145, 154, 179, 203, 220, 232, 280, 290, 308, 319, 358, 385, 406, 440, 580, 616, 638, 716, 770, 812, 895, 1015, 1160, 1253, 1276, 1432, 1540, 1595, 1624, 1790, 1969, 2030, 2233, 2506, 2552, 3080, 3190, 3580, 3938, 4060, 4466, 5012, 5191, 6265, 6380, 7160, 7876, 8120, 8932, 9845, 10024, 10382, 11165, 12530, 12760, 13783, 15752, 17864, 19690, 20764, 22330, 25060, 25955, 27566, 36337, 39380, 41528, 44660, 50120, 51910, 55132, 57101, 68915, 72674, 78760, 89320, 103820, 110264, 114202, 137830, 145348, 181685, 207640, 228404, 275660, 285505, 290696, 363370, 399707, 456808, 551320, 571010, 726740, 799414, 1142020, 1453480, 1598828, 1998535, 2284040, 3197656, 3997070, 7994140, 15988280]

約数ペア:

[(1, 15988280), (2, 7994140), (4, 3997070), (5, 3197656), (7, 2284040), (8, 1998535), (10, 1598828), (11, 1453480), (14, 1142020), (20, 799414), (22, 726740), (28, 571010), (29, 551320), (35, 456808), (40, 399707), (44, 363370), (55, 290696), (56, 285505), (58, 275660), (70, 228404), (77, 207640), (88, 181685), (110, 145348), (116, 137830), (140, 114202), (145, 110264), (154, 103820), (179, 89320), (203, 78760), (220, 72674), (232, 68915), (280, 57101), (290, 55132), (308, 51910), (319, 50120), (358, 44660), (385, 41528), (406, 39380), (440, 36337), (580, 27566), (616, 25955), (638, 25060), (716, 22330), (770, 20764), (812, 19690), (895, 17864), (1015, 15752), (1160, 13783), (1253, 12760), (1276, 12530), (1432, 11165), (1540, 10382), (1595, 10024), (1624, 9845), (1790, 8932), (1969, 8120), (2030, 7876), (2233, 7160), (2506, 6380), (2552, 6265), (3080, 5191), (3190, 5012), (3580, 4466), (3938, 4060)]