79654140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{547}}^1\times {\mathrm{809}}^1$

素因数の和:1371

約数の個数: 72

約数和(自身を含む): 242358480

約数和(自身を除く): 162704340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 547, 809, 1094, 1618, 1641, 2188, 2427, 2735, 3236, 3282, 4045, 4854, 4923, 5470, 6564, 7281, 8090, 8205, 9708, 9846, 10940, 12135, 14562, 16180, 16410, 19692, 24270, 24615, 29124, 32820, 36405, 48540, 49230, 72810, 98460, 145620, 442523, 885046, 1327569, 1770092, 2212615, 2655138, 3982707, 4425230, 5310276, 6637845, 7965414, 8850460, 13275690, 15930828, 19913535, 26551380, 39827070, 79654140]

約数ペア:

[(1, 79654140), (2, 39827070), (3, 26551380), (4, 19913535), (5, 15930828), (6, 13275690), (9, 8850460), (10, 7965414), (12, 6637845), (15, 5310276), (18, 4425230), (20, 3982707), (30, 2655138), (36, 2212615), (45, 1770092), (60, 1327569), (90, 885046), (180, 442523), (547, 145620), (809, 98460), (1094, 72810), (1618, 49230), (1641, 48540), (2188, 36405), (2427, 32820), (2735, 29124), (3236, 24615), (3282, 24270), (4045, 19692), (4854, 16410), (4923, 16180), (5470, 14562), (6564, 12135), (7281, 10940), (8090, 9846), (8205, 9708)]