81657210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{907}}^1\times {\mathrm{3001}}^1$

素因数の和:3918

約数の個数: 32

約数和(自身を含む): 196258752

約数和(自身を除く): 114601542

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 907, 1814, 2721, 3001, 4535, 5442, 6002, 9003, 9070, 13605, 15005, 18006, 27210, 30010, 45015, 90030, 2721907, 5443814, 8165721, 13609535, 16331442, 27219070, 40828605, 81657210]

約数ペア:

[(1, 81657210), (2, 40828605), (3, 27219070), (5, 16331442), (6, 13609535), (10, 8165721), (15, 5443814), (30, 2721907), (907, 90030), (1814, 45015), (2721, 30010), (3001, 27210), (4535, 18006), (5442, 15005), (6002, 13605), (9003, 9070)]