13230980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{587}}^1$

素因数の和:633

約数の個数: 72

約数和(自身を含む): 33784128

約数和(自身を除く): 20553148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 460, 490, 587, 644, 805, 980, 1127, 1174, 1610, 2254, 2348, 2935, 3220, 4109, 4508, 5635, 5870, 8218, 11270, 11740, 13501, 16436, 20545, 22540, 27002, 28763, 41090, 54004, 57526, 67505, 82180, 94507, 115052, 135010, 143815, 189014, 270020, 287630, 378028, 472535, 575260, 661549, 945070, 1323098, 1890140, 2646196, 3307745, 6615490, 13230980]

約数ペア:

[(1, 13230980), (2, 6615490), (4, 3307745), (5, 2646196), (7, 1890140), (10, 1323098), (14, 945070), (20, 661549), (23, 575260), (28, 472535), (35, 378028), (46, 287630), (49, 270020), (70, 189014), (92, 143815), (98, 135010), (115, 115052), (140, 94507), (161, 82180), (196, 67505), (230, 57526), (245, 54004), (322, 41090), (460, 28763), (490, 27002), (587, 22540), (644, 20545), (805, 16436), (980, 13501), (1127, 11740), (1174, 11270), (1610, 8218), (2254, 5870), (2348, 5635), (2935, 4508), (3220, 4109)]