320616240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{190843}}^1$

素因数の和:190866

約数の個数: 80

約数和(自身を含む): 1135903488

約数和(自身を除く): 815287248

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 190843, 381686, 572529, 763372, 954215, 1145058, 1335901, 1526744, 1908430, 2290116, 2671802, 2862645, 3053488, 3816860, 4007703, 4580232, 5343604, 5725290, 6679505, 7633720, 8015406, 9160464, 10687208, 11450580, 13359010, 15267440, 16030812, 20038515, 21374416, 22901160, 26718020, 32061624, 40077030, 45802320, 53436040, 64123248, 80154060, 106872080, 160308120, 320616240]

約数ペア:

[(1, 320616240), (2, 160308120), (3, 106872080), (4, 80154060), (5, 64123248), (6, 53436040), (7, 45802320), (8, 40077030), (10, 32061624), (12, 26718020), (14, 22901160), (15, 21374416), (16, 20038515), (20, 16030812), (21, 15267440), (24, 13359010), (28, 11450580), (30, 10687208), (35, 9160464), (40, 8015406), (42, 7633720), (48, 6679505), (56, 5725290), (60, 5343604), (70, 4580232), (80, 4007703), (84, 3816860), (105, 3053488), (112, 2862645), (120, 2671802), (140, 2290116), (168, 1908430), (210, 1526744), (240, 1335901), (280, 1145058), (336, 954215), (420, 763372), (560, 572529), (840, 381686), (1680, 190843)]