157120020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{290963}}^1$

素因数の和:290981

約数の個数: 48

約数和(自身を含む): 488819520

約数和(自身を除く): 331699500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 290963, 581926, 872889, 1163852, 1454815, 1745778, 2618667, 2909630, 3491556, 4364445, 5237334, 5819260, 7856001, 8728890, 10474668, 13093335, 15712002, 17457780, 26186670, 31424004, 39280005, 52373340, 78560010, 157120020]

約数ペア:

[(1, 157120020), (2, 78560010), (3, 52373340), (4, 39280005), (5, 31424004), (6, 26186670), (9, 17457780), (10, 15712002), (12, 13093335), (15, 10474668), (18, 8728890), (20, 7856001), (27, 5819260), (30, 5237334), (36, 4364445), (45, 3491556), (54, 2909630), (60, 2618667), (90, 1745778), (108, 1454815), (135, 1163852), (180, 872889), (270, 581926), (540, 290963)]