681136620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{667781}}^1$

素因数の和:667810

約数の個数: 48

約数和(自身を含む): 2019372768

約数和(自身を除く): 1338236148

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 667781, 1335562, 2003343, 2671124, 3338905, 4006686, 6677810, 8013372, 10016715, 11352277, 13355620, 20033430, 22704554, 34056831, 40066860, 45409108, 56761385, 68113662, 113522770, 136227324, 170284155, 227045540, 340568310, 681136620]

約数ペア:

[(1, 681136620), (2, 340568310), (3, 227045540), (4, 170284155), (5, 136227324), (6, 113522770), (10, 68113662), (12, 56761385), (15, 45409108), (17, 40066860), (20, 34056831), (30, 22704554), (34, 20033430), (51, 13355620), (60, 11352277), (68, 10016715), (85, 8013372), (102, 6677810), (170, 4006686), (204, 3338905), (255, 2671124), (340, 2003343), (510, 1335562), (1020, 667781)]