661892220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{334289}}^1$

素因数の和:334315

約数の個数: 72

約数和(自身を含む): 2190268080

約数和(自身を除く): 1528375860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 334289, 668578, 1002867, 1337156, 1671445, 2005734, 3008601, 3342890, 3677179, 4011468, 5014335, 6017202, 6685780, 7354358, 10028670, 11031537, 12034404, 14708716, 15043005, 18385895, 20057340, 22063074, 30086010, 33094611, 36771790, 44126148, 55157685, 60172020, 66189222, 73543580, 110315370, 132378444, 165473055, 220630740, 330946110, 661892220]

約数ペア:

[(1, 661892220), (2, 330946110), (3, 220630740), (4, 165473055), (5, 132378444), (6, 110315370), (9, 73543580), (10, 66189222), (11, 60172020), (12, 55157685), (15, 44126148), (18, 36771790), (20, 33094611), (22, 30086010), (30, 22063074), (33, 20057340), (36, 18385895), (44, 15043005), (45, 14708716), (55, 12034404), (60, 11031537), (66, 10028670), (90, 7354358), (99, 6685780), (110, 6017202), (132, 5014335), (165, 4011468), (180, 3677179), (198, 3342890), (220, 3008601), (330, 2005734), (396, 1671445), (495, 1337156), (660, 1002867), (990, 668578), (1980, 334289)]