15279440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{179}}^1$

素因数の和:300

約数の個数: 80

約数和(自身を含む): 39372480

約数和(自身を除く): 24093040

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 97, 110, 176, 179, 194, 220, 358, 388, 440, 485, 716, 776, 880, 895, 970, 1067, 1432, 1552, 1790, 1940, 1969, 2134, 2864, 3580, 3880, 3938, 4268, 5335, 7160, 7760, 7876, 8536, 9845, 10670, 14320, 15752, 17072, 17363, 19690, 21340, 31504, 34726, 39380, 42680, 69452, 78760, 85360, 86815, 138904, 157520, 173630, 190993, 277808, 347260, 381986, 694520, 763972, 954965, 1389040, 1527944, 1909930, 3055888, 3819860, 7639720, 15279440]

約数ペア:

[(1, 15279440), (2, 7639720), (4, 3819860), (5, 3055888), (8, 1909930), (10, 1527944), (11, 1389040), (16, 954965), (20, 763972), (22, 694520), (40, 381986), (44, 347260), (55, 277808), (80, 190993), (88, 173630), (97, 157520), (110, 138904), (176, 86815), (179, 85360), (194, 78760), (220, 69452), (358, 42680), (388, 39380), (440, 34726), (485, 31504), (716, 21340), (776, 19690), (880, 17363), (895, 17072), (970, 15752), (1067, 14320), (1432, 10670), (1552, 9845), (1790, 8536), (1940, 7876), (1969, 7760), (2134, 7160), (2864, 5335), (3580, 4268), (3880, 3938)]