15724940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{10211}}^1$

素因数の和:10238

約数の個数: 48

約数和(自身を含む): 41174784

約数和(自身を除く): 25449844

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 10211, 20422, 40844, 51055, 71477, 102110, 112321, 142954, 204220, 224642, 285908, 357385, 449284, 561605, 714770, 786247, 1123210, 1429540, 1572494, 2246420, 3144988, 3931235, 7862470, 15724940]

約数ペア:

[(1, 15724940), (2, 7862470), (4, 3931235), (5, 3144988), (7, 2246420), (10, 1572494), (11, 1429540), (14, 1123210), (20, 786247), (22, 714770), (28, 561605), (35, 449284), (44, 357385), (55, 285908), (70, 224642), (77, 204220), (110, 142954), (140, 112321), (154, 102110), (220, 71477), (308, 51055), (385, 40844), (770, 20422), (1540, 10211)]