151251640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1871}}^1$

素因数の和:1972

約数の個数: 64

約数和(自身を含む): 355829760

約数和(自身を除く): 204578120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 47, 86, 94, 172, 188, 215, 235, 344, 376, 430, 470, 860, 940, 1720, 1871, 1880, 2021, 3742, 4042, 7484, 8084, 9355, 10105, 14968, 16168, 18710, 20210, 37420, 40420, 74840, 80453, 80840, 87937, 160906, 175874, 321812, 351748, 402265, 439685, 643624, 703496, 804530, 879370, 1609060, 1758740, 3218120, 3517480, 3781291, 7562582, 15125164, 18906455, 30250328, 37812910, 75625820, 151251640]

約数ペア:

[(1, 151251640), (2, 75625820), (4, 37812910), (5, 30250328), (8, 18906455), (10, 15125164), (20, 7562582), (40, 3781291), (43, 3517480), (47, 3218120), (86, 1758740), (94, 1609060), (172, 879370), (188, 804530), (215, 703496), (235, 643624), (344, 439685), (376, 402265), (430, 351748), (470, 321812), (860, 175874), (940, 160906), (1720, 87937), (1871, 80840), (1880, 80453), (2021, 74840), (3742, 40420), (4042, 37420), (7484, 20210), (8084, 18710), (9355, 16168), (10105, 14968)]