7843980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{547}}^1$

素因数の和:798

約数の個数: 48

約数和(自身を含む): 22095360

約数和(自身を除く): 14251380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 239, 478, 547, 717, 956, 1094, 1195, 1434, 1641, 2188, 2390, 2735, 2868, 3282, 3585, 4780, 5470, 6564, 7170, 8205, 10940, 14340, 16410, 32820, 130733, 261466, 392199, 522932, 653665, 784398, 1307330, 1568796, 1960995, 2614660, 3921990, 7843980]

約数ペア:

[(1, 7843980), (2, 3921990), (3, 2614660), (4, 1960995), (5, 1568796), (6, 1307330), (10, 784398), (12, 653665), (15, 522932), (20, 392199), (30, 261466), (60, 130733), (239, 32820), (478, 16410), (547, 14340), (717, 10940), (956, 8205), (1094, 7170), (1195, 6564), (1434, 5470), (1641, 4780), (2188, 3585), (2390, 3282), (2735, 2868)]