91720020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{218381}}^1$

素因数の和:218400

約数の個数: 48

約数和(自身を含む): 293505408

約数和(自身を除く): 201785388

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 218381, 436762, 655143, 873524, 1091905, 1310286, 1528667, 2183810, 2620572, 3057334, 3275715, 4367620, 4586001, 6114668, 6551430, 7643335, 9172002, 13102860, 15286670, 18344004, 22930005, 30573340, 45860010, 91720020]

約数ペア:

[(1, 91720020), (2, 45860010), (3, 30573340), (4, 22930005), (5, 18344004), (6, 15286670), (7, 13102860), (10, 9172002), (12, 7643335), (14, 6551430), (15, 6114668), (20, 4586001), (21, 4367620), (28, 3275715), (30, 3057334), (35, 2620572), (42, 2183810), (60, 1528667), (70, 1310286), (84, 1091905), (105, 873524), (140, 655143), (210, 436762), (420, 218381)]