77341720

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{241}}^1$

素因数の和:436

約数の個数: 64

約数和(自身を含む): 178770240

約数和(自身を除く): 101428520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 113, 142, 226, 241, 284, 355, 452, 482, 565, 568, 710, 904, 964, 1130, 1205, 1420, 1928, 2260, 2410, 2840, 4520, 4820, 8023, 9640, 16046, 17111, 27233, 32092, 34222, 40115, 54466, 64184, 68444, 80230, 85555, 108932, 136165, 136888, 160460, 171110, 217864, 272330, 320920, 342220, 544660, 684440, 1089320, 1933543, 3867086, 7734172, 9667715, 15468344, 19335430, 38670860, 77341720]

約数ペア:

[(1, 77341720), (2, 38670860), (4, 19335430), (5, 15468344), (8, 9667715), (10, 7734172), (20, 3867086), (40, 1933543), (71, 1089320), (113, 684440), (142, 544660), (226, 342220), (241, 320920), (284, 272330), (355, 217864), (452, 171110), (482, 160460), (565, 136888), (568, 136165), (710, 108932), (904, 85555), (964, 80230), (1130, 68444), (1205, 64184), (1420, 54466), (1928, 40115), (2260, 34222), (2410, 32092), (2840, 27233), (4520, 17111), (4820, 16046), (8023, 9640)]