815028348540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1940543687}}^1$

素因数の和:1940543706

約数の個数: 48

約数和(自身を含む): 2608090716672

約数和(自身を除く): 1793062368132

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 1940543687, 3881087374, 5821631061, 7762174748, 9702718435, 11643262122, 13583805809, 19405436870, 23286524244, 27167611618, 29108155305, 38810873740, 40751417427, 54335223236, 58216310610, 67919029045, 81502834854, 116432621220, 135838058090, 163005669708, 203757087135, 271676116180, 407514174270, 815028348540]

約数ペア:

[(1, 815028348540), (2, 407514174270), (3, 271676116180), (4, 203757087135), (5, 163005669708), (6, 135838058090), (7, 116432621220), (10, 81502834854), (12, 67919029045), (14, 58216310610), (15, 54335223236), (20, 40751417427), (21, 38810873740), (28, 29108155305), (30, 27167611618), (35, 23286524244), (42, 19405436870), (60, 13583805809), (70, 11643262122), (84, 9702718435), (105, 7762174748), (140, 5821631061), (210, 3881087374), (420, 1940543687)]