7207980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9241}}^1$

素因数の和:9266

約数の個数: 48

約数和(自身を含む): 21737184

約数和(自身を除く): 14529204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 9241, 18482, 27723, 36964, 46205, 55446, 92410, 110892, 120133, 138615, 184820, 240266, 277230, 360399, 480532, 554460, 600665, 720798, 1201330, 1441596, 1801995, 2402660, 3603990, 7207980]

約数ペア:

[(1, 7207980), (2, 3603990), (3, 2402660), (4, 1801995), (5, 1441596), (6, 1201330), (10, 720798), (12, 600665), (13, 554460), (15, 480532), (20, 360399), (26, 277230), (30, 240266), (39, 184820), (52, 138615), (60, 120133), (65, 110892), (78, 92410), (130, 55446), (156, 46205), (195, 36964), (260, 27723), (390, 18482), (780, 9241)]