69678420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{165901}}^1$

素因数の和:165920

約数の個数: 48

約数和(自身を含む): 222972288

約数和(自身を除く): 153293868

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 165901, 331802, 497703, 663604, 829505, 995406, 1161307, 1659010, 1990812, 2322614, 2488515, 3318020, 3483921, 4645228, 4977030, 5806535, 6967842, 9954060, 11613070, 13935684, 17419605, 23226140, 34839210, 69678420]

約数ペア:

[(1, 69678420), (2, 34839210), (3, 23226140), (4, 17419605), (5, 13935684), (6, 11613070), (7, 9954060), (10, 6967842), (12, 5806535), (14, 4977030), (15, 4645228), (20, 3483921), (21, 3318020), (28, 2488515), (30, 2322614), (35, 1990812), (42, 1659010), (60, 1161307), (70, 995406), (84, 829505), (105, 663604), (140, 497703), (210, 331802), (420, 165901)]