77998480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4493}}^1$

素因数の和:4544

約数の個数: 80

約数和(自身を含む): 213986304

約数和(自身を除く): 135987824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 4493, 8680, 8986, 17360, 17972, 22465, 31451, 35944, 44930, 62902, 71888, 89860, 125804, 139283, 157255, 179720, 251608, 278566, 314510, 359440, 503216, 557132, 629020, 696415, 974981, 1114264, 1258040, 1392830, 1949962, 2228528, 2516080, 2785660, 3899924, 4874905, 5571320, 7799848, 9749810, 11142640, 15599696, 19499620, 38999240, 77998480]

約数ペア:

[(1, 77998480), (2, 38999240), (4, 19499620), (5, 15599696), (7, 11142640), (8, 9749810), (10, 7799848), (14, 5571320), (16, 4874905), (20, 3899924), (28, 2785660), (31, 2516080), (35, 2228528), (40, 1949962), (56, 1392830), (62, 1258040), (70, 1114264), (80, 974981), (112, 696415), (124, 629020), (140, 557132), (155, 503216), (217, 359440), (248, 314510), (280, 278566), (310, 251608), (434, 179720), (496, 157255), (560, 139283), (620, 125804), (868, 89860), (1085, 71888), (1240, 62902), (1736, 44930), (2170, 35944), (2480, 31451), (3472, 22465), (4340, 17972), (4493, 17360), (8680, 8986)]