68530980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{163169}}^1$

素因数の和:163188

約数の個数: 48

約数和(自身を含む): 219300480

約数和(自身を除く): 150769500

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, 163169, 326338, 489507, 652676, 815845, 979014, 1142183, 1631690, 1958028, 2284366, 2447535, 3263380, 3426549, 4568732, 4895070, 5710915, 6853098, 9790140, 11421830, 13706196, 17132745, 22843660, 34265490, 68530980]

約数ペア:

[(1, 68530980), (2, 34265490), (3, 22843660), (4, 17132745), (5, 13706196), (6, 11421830), (7, 9790140), (10, 6853098), (12, 5710915), (14, 4895070), (15, 4568732), (20, 3426549), (21, 3263380), (28, 2447535), (30, 2284366), (35, 1958028), (42, 1631690), (60, 1142183), (70, 979014), (84, 815845), (105, 652676), (140, 489507), (210, 326338), (420, 163169)]