15545740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{547}}^1$

素因数の和:599

約数の個数: 72

約数和(自身を含む): 39357360

約数和(自身を除く): 23811620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 290, 406, 490, 547, 580, 812, 980, 1015, 1094, 1421, 2030, 2188, 2735, 2842, 3829, 4060, 5470, 5684, 7105, 7658, 10940, 14210, 15316, 15863, 19145, 26803, 28420, 31726, 38290, 53606, 63452, 76580, 79315, 107212, 111041, 134015, 158630, 222082, 268030, 317260, 444164, 536060, 555205, 777287, 1110410, 1554574, 2220820, 3109148, 3886435, 7772870, 15545740]

約数ペア:

[(1, 15545740), (2, 7772870), (4, 3886435), (5, 3109148), (7, 2220820), (10, 1554574), (14, 1110410), (20, 777287), (28, 555205), (29, 536060), (35, 444164), (49, 317260), (58, 268030), (70, 222082), (98, 158630), (116, 134015), (140, 111041), (145, 107212), (196, 79315), (203, 76580), (245, 63452), (290, 53606), (406, 38290), (490, 31726), (547, 28420), (580, 26803), (812, 19145), (980, 15863), (1015, 15316), (1094, 14210), (1421, 10940), (2030, 7658), (2188, 7105), (2735, 5684), (2842, 5470), (3829, 4060)]