257139120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{153059}}^1$

素因数の和:153082

約数の個数: 80

約数和(自身を含む): 911013120

約数和(自身を除く): 653874000

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, 153059, 306118, 459177, 612236, 765295, 918354, 1071413, 1224472, 1530590, 1836708, 2142826, 2295885, 2448944, 3061180, 3214239, 3673416, 4285652, 4591770, 5357065, 6122360, 6428478, 7346832, 8571304, 9183540, 10714130, 12244720, 12856956, 16071195, 17142608, 18367080, 21428260, 25713912, 32142390, 36734160, 42856520, 51427824, 64284780, 85713040, 128569560, 257139120]

約数ペア:

[(1, 257139120), (2, 128569560), (3, 85713040), (4, 64284780), (5, 51427824), (6, 42856520), (7, 36734160), (8, 32142390), (10, 25713912), (12, 21428260), (14, 18367080), (15, 17142608), (16, 16071195), (20, 12856956), (21, 12244720), (24, 10714130), (28, 9183540), (30, 8571304), (35, 7346832), (40, 6428478), (42, 6122360), (48, 5357065), (56, 4591770), (60, 4285652), (70, 3673416), (80, 3214239), (84, 3061180), (105, 2448944), (112, 2295885), (120, 2142826), (140, 1836708), (168, 1530590), (210, 1224472), (240, 1071413), (280, 918354), (336, 765295), (420, 612236), (560, 459177), (840, 306118), (1680, 153059)]