180738180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{143443}}^1$

素因数の和:143465

約数の個数: 72

約数和(自身を含む): 626563392

約数和(自身を除く): 445825212

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 143443, 286886, 430329, 573772, 717215, 860658, 1004101, 1290987, 1434430, 1721316, 2008202, 2151645, 2581974, 2868860, 3012303, 4016404, 4303290, 5020505, 5163948, 6024606, 6454935, 8606580, 9036909, 10041010, 12049212, 12909870, 15061515, 18073818, 20082020, 25819740, 30123030, 36147636, 45184545, 60246060, 90369090, 180738180]

約数ペア:

[(1, 180738180), (2, 90369090), (3, 60246060), (4, 45184545), (5, 36147636), (6, 30123030), (7, 25819740), (9, 20082020), (10, 18073818), (12, 15061515), (14, 12909870), (15, 12049212), (18, 10041010), (20, 9036909), (21, 8606580), (28, 6454935), (30, 6024606), (35, 5163948), (36, 5020505), (42, 4303290), (45, 4016404), (60, 3012303), (63, 2868860), (70, 2581974), (84, 2151645), (90, 2008202), (105, 1721316), (126, 1434430), (140, 1290987), (180, 1004101), (210, 860658), (252, 717215), (315, 573772), (420, 430329), (630, 286886), (1260, 143443)]