315710780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{18637}}^1$

素因数の和:18675

約数の個数: 72

約数和(自身を含む): 832894944

約数和(自身を除く): 517184164

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 1210, 1540, 1694, 2420, 3388, 4235, 8470, 16940, 18637, 37274, 74548, 93185, 130459, 186370, 205007, 260918, 372740, 410014, 521836, 652295, 820028, 1025035, 1304590, 1435049, 2050070, 2255077, 2609180, 2870098, 4100140, 4510154, 5740196, 7175245, 9020308, 11275385, 14350490, 15785539, 22550770, 28700980, 31571078, 45101540, 63142156, 78927695, 157855390, 315710780]

約数ペア:

[(1, 315710780), (2, 157855390), (4, 78927695), (5, 63142156), (7, 45101540), (10, 31571078), (11, 28700980), (14, 22550770), (20, 15785539), (22, 14350490), (28, 11275385), (35, 9020308), (44, 7175245), (55, 5740196), (70, 4510154), (77, 4100140), (110, 2870098), (121, 2609180), (140, 2255077), (154, 2050070), (220, 1435049), (242, 1304590), (308, 1025035), (385, 820028), (484, 652295), (605, 521836), (770, 410014), (847, 372740), (1210, 260918), (1540, 205007), (1694, 186370), (2420, 130459), (3388, 93185), (4235, 74548), (8470, 37274), (16940, 18637)]