139356840

素因数分解:

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

素因数の和:165922

約数の個数: 64

約数和(自身を含む): 477797760

約数和(自身を除く): 338440920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 165901, 331802, 497703, 663604, 829505, 995406, 1161307, 1327208, 1659010, 1990812, 2322614, 2488515, 3318020, 3483921, 3981624, 4645228, 4977030, 5806535, 6636040, 6967842, 9290456, 9954060, 11613070, 13935684, 17419605, 19908120, 23226140, 27871368, 34839210, 46452280, 69678420, 139356840]

約数ペア:

[(1, 139356840), (2, 69678420), (3, 46452280), (4, 34839210), (5, 27871368), (6, 23226140), (7, 19908120), (8, 17419605), (10, 13935684), (12, 11613070), (14, 9954060), (15, 9290456), (20, 6967842), (21, 6636040), (24, 5806535), (28, 4977030), (30, 4645228), (35, 3981624), (40, 3483921), (42, 3318020), (56, 2488515), (60, 2322614), (70, 1990812), (84, 1659010), (105, 1327208), (120, 1161307), (140, 995406), (168, 829505), (210, 663604), (280, 497703), (420, 331802), (840, 165901)]