7941080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{359}}^1$

素因数の和:456

約数の個数: 64

約数和(自身を含む): 20736000

約数和(自身を除く): 12794920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 280, 316, 359, 395, 553, 632, 718, 790, 1106, 1436, 1580, 1795, 2212, 2513, 2765, 2872, 3160, 3590, 4424, 5026, 5530, 7180, 10052, 11060, 12565, 14360, 20104, 22120, 25130, 28361, 50260, 56722, 100520, 113444, 141805, 198527, 226888, 283610, 397054, 567220, 794108, 992635, 1134440, 1588216, 1985270, 3970540, 7941080]

約数ペア:

[(1, 7941080), (2, 3970540), (4, 1985270), (5, 1588216), (7, 1134440), (8, 992635), (10, 794108), (14, 567220), (20, 397054), (28, 283610), (35, 226888), (40, 198527), (56, 141805), (70, 113444), (79, 100520), (140, 56722), (158, 50260), (280, 28361), (316, 25130), (359, 22120), (395, 20104), (553, 14360), (632, 12565), (718, 11060), (790, 10052), (1106, 7180), (1436, 5530), (1580, 5026), (1795, 4424), (2212, 3590), (2513, 3160), (2765, 2872)]