15204440

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 35804160

約数和(自身を除く): 20599720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 73, 82, 127, 146, 164, 205, 254, 292, 328, 365, 410, 508, 584, 635, 730, 820, 1016, 1270, 1460, 1640, 2540, 2920, 2993, 5080, 5207, 5986, 9271, 10414, 11972, 14965, 18542, 20828, 23944, 26035, 29930, 37084, 41656, 46355, 52070, 59860, 74168, 92710, 104140, 119720, 185420, 208280, 370840, 380111, 760222, 1520444, 1900555, 3040888, 3801110, 7602220, 15204440]

約数ペア:

[(1, 15204440), (2, 7602220), (4, 3801110), (5, 3040888), (8, 1900555), (10, 1520444), (20, 760222), (40, 380111), (41, 370840), (73, 208280), (82, 185420), (127, 119720), (146, 104140), (164, 92710), (205, 74168), (254, 59860), (292, 52070), (328, 46355), (365, 41656), (410, 37084), (508, 29930), (584, 26035), (635, 23944), (730, 20828), (820, 18542), (1016, 14965), (1270, 11972), (1460, 10414), (1640, 9271), (2540, 5986), (2920, 5207), (2993, 5080)]