196540020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{121321}}^1$

素因数の和:121342

約数の個数: 60

約数和(自身を含む): 616558404

約数和(自身を除く): 420018384

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 121321, 242642, 363963, 485284, 606605, 727926, 1091889, 1213210, 1455852, 1819815, 2183778, 2426420, 3275667, 3639630, 4367556, 5459445, 6551334, 7279260, 9827001, 10918890, 13102668, 16378335, 19654002, 21837780, 32756670, 39308004, 49135005, 65513340, 98270010, 196540020]

約数ペア:

[(1, 196540020), (2, 98270010), (3, 65513340), (4, 49135005), (5, 39308004), (6, 32756670), (9, 21837780), (10, 19654002), (12, 16378335), (15, 13102668), (18, 10918890), (20, 9827001), (27, 7279260), (30, 6551334), (36, 5459445), (45, 4367556), (54, 3639630), (60, 3275667), (81, 2426420), (90, 2183778), (108, 1819815), (135, 1455852), (162, 1213210), (180, 1091889), (270, 727926), (324, 606605), (405, 485284), (540, 363963), (810, 242642), (1620, 121321)]