61536420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31079}}^1$

素因数の和:31105

約数の個数: 72

約数和(自身を含む): 203636160

約数和(自身を除く): 142099740

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, 31079, 62158, 93237, 124316, 155395, 186474, 279711, 310790, 341869, 372948, 466185, 559422, 621580, 683738, 932370, 1025607, 1118844, 1367476, 1398555, 1709345, 1864740, 2051214, 2797110, 3076821, 3418690, 4102428, 5128035, 5594220, 6153642, 6837380, 10256070, 12307284, 15384105, 20512140, 30768210, 61536420]

約数ペア:

[(1, 61536420), (2, 30768210), (3, 20512140), (4, 15384105), (5, 12307284), (6, 10256070), (9, 6837380), (10, 6153642), (11, 5594220), (12, 5128035), (15, 4102428), (18, 3418690), (20, 3076821), (22, 2797110), (30, 2051214), (33, 1864740), (36, 1709345), (44, 1398555), (45, 1367476), (55, 1118844), (60, 1025607), (66, 932370), (90, 683738), (99, 621580), (110, 559422), (132, 466185), (165, 372948), (180, 341869), (198, 310790), (220, 279711), (330, 186474), (396, 155395), (495, 124316), (660, 93237), (990, 62158), (1980, 31079)]