163564520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{9901}}^1$

素因数の和:9978

約数の個数: 64

約数和(自身を含む): 427766400

約数和(自身を除く): 264201880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 59, 70, 118, 140, 236, 280, 295, 413, 472, 590, 826, 1180, 1652, 2065, 2360, 3304, 4130, 8260, 9901, 16520, 19802, 39604, 49505, 69307, 79208, 99010, 138614, 198020, 277228, 346535, 396040, 554456, 584159, 693070, 1168318, 1386140, 2336636, 2772280, 2920795, 4089113, 4673272, 5841590, 8178226, 11683180, 16356452, 20445565, 23366360, 32712904, 40891130, 81782260, 163564520]

約数ペア:

[(1, 163564520), (2, 81782260), (4, 40891130), (5, 32712904), (7, 23366360), (8, 20445565), (10, 16356452), (14, 11683180), (20, 8178226), (28, 5841590), (35, 4673272), (40, 4089113), (56, 2920795), (59, 2772280), (70, 2336636), (118, 1386140), (140, 1168318), (236, 693070), (280, 584159), (295, 554456), (413, 396040), (472, 346535), (590, 277228), (826, 198020), (1180, 138614), (1652, 99010), (2065, 79208), (2360, 69307), (3304, 49505), (4130, 39604), (8260, 19802), (9901, 16520)]