78875240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{601}}^1$

素因数の和:822

約数の個数: 64

約数和(自身を含む): 189196560

約数和(自身を除く): 110321320

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 193, 340, 386, 601, 680, 772, 965, 1202, 1544, 1930, 2404, 3005, 3281, 3860, 4808, 6010, 6562, 7720, 10217, 12020, 13124, 16405, 20434, 24040, 26248, 32810, 40868, 51085, 65620, 81736, 102170, 115993, 131240, 204340, 231986, 408680, 463972, 579965, 927944, 1159930, 1971881, 2319860, 3943762, 4639720, 7887524, 9859405, 15775048, 19718810, 39437620, 78875240]

約数ペア:

[(1, 78875240), (2, 39437620), (4, 19718810), (5, 15775048), (8, 9859405), (10, 7887524), (17, 4639720), (20, 3943762), (34, 2319860), (40, 1971881), (68, 1159930), (85, 927944), (136, 579965), (170, 463972), (193, 408680), (340, 231986), (386, 204340), (601, 131240), (680, 115993), (772, 102170), (965, 81736), (1202, 65620), (1544, 51085), (1930, 40868), (2404, 32810), (3005, 26248), (3281, 24040), (3860, 20434), (4808, 16405), (6010, 13124), (6562, 12020), (7720, 10217)]