142531760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1279}}^1$

素因数の和:1498

約数の個数: 80

約数和(自身を含む): 380928000

約数和(自身を除く): 238396240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 199, 280, 398, 560, 796, 995, 1279, 1393, 1592, 1990, 2558, 2786, 3184, 3980, 5116, 5572, 6395, 6965, 7960, 8953, 10232, 11144, 12790, 13930, 15920, 17906, 20464, 22288, 25580, 27860, 35812, 44765, 51160, 55720, 71624, 89530, 102320, 111440, 143248, 179060, 254521, 358120, 509042, 716240, 1018084, 1272605, 1781647, 2036168, 2545210, 3563294, 4072336, 5090420, 7126588, 8908235, 10180840, 14253176, 17816470, 20361680, 28506352, 35632940, 71265880, 142531760]

約数ペア:

[(1, 142531760), (2, 71265880), (4, 35632940), (5, 28506352), (7, 20361680), (8, 17816470), (10, 14253176), (14, 10180840), (16, 8908235), (20, 7126588), (28, 5090420), (35, 4072336), (40, 3563294), (56, 2545210), (70, 2036168), (80, 1781647), (112, 1272605), (140, 1018084), (199, 716240), (280, 509042), (398, 358120), (560, 254521), (796, 179060), (995, 143248), (1279, 111440), (1393, 102320), (1592, 89530), (1990, 71624), (2558, 55720), (2786, 51160), (3184, 44765), (3980, 35812), (5116, 27860), (5572, 25580), (6395, 22288), (6965, 20464), (7960, 17906), (8953, 15920), (10232, 13930), (11144, 12790)]