1627120

素因数分解:

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

素因数の和:110

約数の個数: 60

約数和(自身を含む): 4225176

約数和(自身を除く): 2598056

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, 430, 440, 473, 688, 860, 880, 946, 1720, 1849, 1892, 2365, 3440, 3698, 3784, 4730, 7396, 7568, 9245, 9460, 14792, 18490, 18920, 20339, 29584, 36980, 37840, 40678, 73960, 81356, 101695, 147920, 162712, 203390, 325424, 406780, 813560, 1627120]

約数ペア:

[(1, 1627120), (2, 813560), (4, 406780), (5, 325424), (8, 203390), (10, 162712), (11, 147920), (16, 101695), (20, 81356), (22, 73960), (40, 40678), (43, 37840), (44, 36980), (55, 29584), (80, 20339), (86, 18920), (88, 18490), (110, 14792), (172, 9460), (176, 9245), (215, 7568), (220, 7396), (344, 4730), (430, 3784), (440, 3698), (473, 3440), (688, 2365), (860, 1892), (880, 1849), (946, 1720)]