15827440

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^2\times {\mathrm{107}}^1$

素因数の和:206

約数の個数: 60

約数和(自身を含む): 38026584

約数和(自身を除く): 22199144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 107, 172, 214, 215, 344, 428, 430, 535, 688, 856, 860, 1070, 1712, 1720, 1849, 2140, 3440, 3698, 4280, 4601, 7396, 8560, 9202, 9245, 14792, 18404, 18490, 23005, 29584, 36808, 36980, 46010, 73616, 73960, 92020, 147920, 184040, 197843, 368080, 395686, 791372, 989215, 1582744, 1978430, 3165488, 3956860, 7913720, 15827440]

約数ペア:

[(1, 15827440), (2, 7913720), (4, 3956860), (5, 3165488), (8, 1978430), (10, 1582744), (16, 989215), (20, 791372), (40, 395686), (43, 368080), (80, 197843), (86, 184040), (107, 147920), (172, 92020), (214, 73960), (215, 73616), (344, 46010), (428, 36980), (430, 36808), (535, 29584), (688, 23005), (856, 18490), (860, 18404), (1070, 14792), (1712, 9245), (1720, 9202), (1849, 8560), (2140, 7396), (3440, 4601), (3698, 4280)]