78456210

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{547}}^1\times {\mathrm{683}}^1$

素因数の和:1247

約数の個数: 64

約数和(自身を含む): 215903232

約数和(自身を除く): 137447022

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 547, 683, 1094, 1366, 1641, 2049, 2735, 3282, 3415, 3829, 4098, 4781, 5470, 6830, 7658, 8205, 9562, 10245, 11487, 14343, 16410, 19145, 20490, 22974, 23905, 28686, 38290, 47810, 57435, 71715, 114870, 143430, 373601, 747202, 1120803, 1868005, 2241606, 2615207, 3736010, 5230414, 5604015, 7845621, 11208030, 13076035, 15691242, 26152070, 39228105, 78456210]

約数ペア:

[(1, 78456210), (2, 39228105), (3, 26152070), (5, 15691242), (6, 13076035), (7, 11208030), (10, 7845621), (14, 5604015), (15, 5230414), (21, 3736010), (30, 2615207), (35, 2241606), (42, 1868005), (70, 1120803), (105, 747202), (210, 373601), (547, 143430), (683, 114870), (1094, 71715), (1366, 57435), (1641, 47810), (2049, 38290), (2735, 28686), (3282, 23905), (3415, 22974), (3829, 20490), (4098, 19145), (4781, 16410), (5470, 14343), (6830, 11487), (7658, 10245), (8205, 9562)]