2740640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{2447}}^1$

素因数の和:2469

約数の個数: 48

約数和(自身を含む): 7402752

約数和(自身を除く): 4662112

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 2447, 4894, 9788, 12235, 17129, 19576, 24470, 34258, 39152, 48940, 68516, 78304, 85645, 97880, 137032, 171290, 195760, 274064, 342580, 391520, 548128, 685160, 1370320, 2740640]

約数ペア:

[(1, 2740640), (2, 1370320), (4, 685160), (5, 548128), (7, 391520), (8, 342580), (10, 274064), (14, 195760), (16, 171290), (20, 137032), (28, 97880), (32, 85645), (35, 78304), (40, 68516), (56, 48940), (70, 39152), (80, 34258), (112, 24470), (140, 19576), (160, 17129), (224, 12235), (280, 9788), (560, 4894), (1120, 2447)]