15173840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{401}}^1$

素因数の和:468

約数の個数: 80

約数和(自身を含む): 39479616

約数和(自身を除く): 24305776

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 43, 44, 55, 80, 86, 88, 110, 172, 176, 215, 220, 344, 401, 430, 440, 473, 688, 802, 860, 880, 946, 1604, 1720, 1892, 2005, 2365, 3208, 3440, 3784, 4010, 4411, 4730, 6416, 7568, 8020, 8822, 9460, 16040, 17243, 17644, 18920, 22055, 32080, 34486, 35288, 37840, 44110, 68972, 70576, 86215, 88220, 137944, 172430, 176440, 189673, 275888, 344860, 352880, 379346, 689720, 758692, 948365, 1379440, 1517384, 1896730, 3034768, 3793460, 7586920, 15173840]

約数ペア:

[(1, 15173840), (2, 7586920), (4, 3793460), (5, 3034768), (8, 1896730), (10, 1517384), (11, 1379440), (16, 948365), (20, 758692), (22, 689720), (40, 379346), (43, 352880), (44, 344860), (55, 275888), (80, 189673), (86, 176440), (88, 172430), (110, 137944), (172, 88220), (176, 86215), (215, 70576), (220, 68972), (344, 44110), (401, 37840), (430, 35288), (440, 34486), (473, 32080), (688, 22055), (802, 18920), (860, 17644), (880, 17243), (946, 16040), (1604, 9460), (1720, 8822), (1892, 8020), (2005, 7568), (2365, 6416), (3208, 4730), (3440, 4411), (3784, 4010)]