920726520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{857}}^1\times {\mathrm{1279}}^1$

素因数の和:2157

約数の個数: 128

約数和(自身を含む): 3162931200

約数和(自身を除く): 2242204680

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, 857, 1279, 1714, 2558, 2571, 3428, 3837, 4285, 5116, 5142, 5999, 6395, 6856, 7674, 8570, 8953, 10232, 10284, 11998, 12790, 12855, 15348, 17140, 17906, 17997, 19185, 20568, 23996, 25580, 25710, 26859, 29995, 30696, 34280, 35812, 35994, 38370, 44765, 47992, 51160, 51420, 53718, 59990, 71624, 71988, 76740, 89530, 89985, 102840, 107436, 119980, 134295, 143976, 153480, 179060, 179970, 214872, 239960, 268590, 358120, 359940, 537180, 719880, 1074360, 1096103, 2192206, 3288309, 4384412, 5480515, 6576618, 7672721, 8768824, 10961030, 13153236, 15345442, 16441545, 21922060, 23018163, 26306472, 30690884, 32883090, 38363605, 43844120, 46036326, 61381768, 65766180, 76727210, 92072652, 115090815, 131532360, 153454420, 184145304, 230181630, 306908840, 460363260, 920726520]

約数ペア:

[(1, 920726520), (2, 460363260), (3, 306908840), (4, 230181630), (5, 184145304), (6, 153454420), (7, 131532360), (8, 115090815), (10, 92072652), (12, 76727210), (14, 65766180), (15, 61381768), (20, 46036326), (21, 43844120), (24, 38363605), (28, 32883090), (30, 30690884), (35, 26306472), (40, 23018163), (42, 21922060), (56, 16441545), (60, 15345442), (70, 13153236), (84, 10961030), (105, 8768824), (120, 7672721), (140, 6576618), (168, 5480515), (210, 4384412), (280, 3288309), (420, 2192206), (840, 1096103), (857, 1074360), (1279, 719880), (1714, 537180), (2558, 359940), (2571, 358120), (3428, 268590), (3837, 239960), (4285, 214872), (5116, 179970), (5142, 179060), (5999, 153480), (6395, 143976), (6856, 134295), (7674, 119980), (8570, 107436), (8953, 102840), (10232, 89985), (10284, 89530), (11998, 76740), (12790, 71988), (12855, 71624), (15348, 59990), (17140, 53718), (17906, 51420), (17997, 51160), (19185, 47992), (20568, 44765), (23996, 38370), (25580, 35994), (25710, 35812), (26859, 34280), (29995, 30696)]