870780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{631}}^1$

素因数の和:666

約数の個数: 48

約数和(自身を含む): 2548224

約数和(自身を除く): 1677444

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 631, 690, 1262, 1380, 1893, 2524, 3155, 3786, 6310, 7572, 9465, 12620, 14513, 18930, 29026, 37860, 43539, 58052, 72565, 87078, 145130, 174156, 217695, 290260, 435390, 870780]

約数ペア:

[(1, 870780), (2, 435390), (3, 290260), (4, 217695), (5, 174156), (6, 145130), (10, 87078), (12, 72565), (15, 58052), (20, 43539), (23, 37860), (30, 29026), (46, 18930), (60, 14513), (69, 12620), (92, 9465), (115, 7572), (138, 6310), (230, 3786), (276, 3155), (345, 2524), (460, 1893), (631, 1380), (690, 1262)]