1326740660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{1039}}^1\times {\mathrm{1303}}^1$

素因数の和:2365

約数の個数: 72

約数和(自身を含む): 3246647040

約数和(自身を除く): 1919906380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1039, 1303, 2078, 2606, 4156, 5195, 5212, 6515, 7273, 9121, 10390, 13030, 14546, 18242, 20780, 26060, 29092, 36365, 36484, 45605, 50911, 63847, 72730, 91210, 101822, 127694, 145460, 182420, 203644, 254555, 255388, 319235, 509110, 638470, 1018220, 1276940, 1353817, 2707634, 5415268, 6769085, 9476719, 13538170, 18953438, 27076340, 37906876, 47383595, 66337033, 94767190, 132674066, 189534380, 265348132, 331685165, 663370330, 1326740660]

約数ペア:

[(1, 1326740660), (2, 663370330), (4, 331685165), (5, 265348132), (7, 189534380), (10, 132674066), (14, 94767190), (20, 66337033), (28, 47383595), (35, 37906876), (49, 27076340), (70, 18953438), (98, 13538170), (140, 9476719), (196, 6769085), (245, 5415268), (490, 2707634), (980, 1353817), (1039, 1276940), (1303, 1018220), (2078, 638470), (2606, 509110), (4156, 319235), (5195, 255388), (5212, 254555), (6515, 203644), (7273, 182420), (9121, 145460), (10390, 127694), (13030, 101822), (14546, 91210), (18242, 72730), (20780, 63847), (26060, 50911), (29092, 45605), (36365, 36484)]