81680280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61879}}^1$

素因数の和:61904

約数の個数: 64

約数和(自身を含む): 267321600

約数和(自身を除く): 185641320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 61879, 123758, 185637, 247516, 309395, 371274, 495032, 618790, 680669, 742548, 928185, 1237580, 1361338, 1485096, 1856370, 2042007, 2475160, 2722676, 3403345, 3712740, 4084014, 5445352, 6806690, 7425480, 8168028, 10210035, 13613380, 16336056, 20420070, 27226760, 40840140, 81680280]

約数ペア:

[(1, 81680280), (2, 40840140), (3, 27226760), (4, 20420070), (5, 16336056), (6, 13613380), (8, 10210035), (10, 8168028), (11, 7425480), (12, 6806690), (15, 5445352), (20, 4084014), (22, 3712740), (24, 3403345), (30, 2722676), (33, 2475160), (40, 2042007), (44, 1856370), (55, 1485096), (60, 1361338), (66, 1237580), (88, 928185), (110, 742548), (120, 680669), (132, 618790), (165, 495032), (220, 371274), (264, 309395), (330, 247516), (440, 185637), (660, 123758), (1320, 61879)]