180120920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{13687}}^1$

素因数の和:13752

約数の個数: 64

約数和(自身を含む): 473057280

約数和(自身を除く): 292936360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 140, 188, 235, 280, 329, 376, 470, 658, 940, 1316, 1645, 1880, 2632, 3290, 6580, 13160, 13687, 27374, 54748, 68435, 95809, 109496, 136870, 191618, 273740, 383236, 479045, 547480, 643289, 766472, 958090, 1286578, 1916180, 2573156, 3216445, 3832360, 4503023, 5146312, 6432890, 9006046, 12865780, 18012092, 22515115, 25731560, 36024184, 45030230, 90060460, 180120920]

約数ペア:

[(1, 180120920), (2, 90060460), (4, 45030230), (5, 36024184), (7, 25731560), (8, 22515115), (10, 18012092), (14, 12865780), (20, 9006046), (28, 6432890), (35, 5146312), (40, 4503023), (47, 3832360), (56, 3216445), (70, 2573156), (94, 1916180), (140, 1286578), (188, 958090), (235, 766472), (280, 643289), (329, 547480), (376, 479045), (470, 383236), (658, 273740), (940, 191618), (1316, 136870), (1645, 109496), (1880, 95809), (2632, 68435), (3290, 54748), (6580, 27374), (13160, 13687)]