81441072

素因数分解:

$2^4\times 3^3\times {\mathrm{53}}^1\times {\mathrm{3557}}^1$

素因数の和:3627

約数の個数: 80

約数和(自身を含む): 238243680

約数和(自身を除く): 156802608

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 53, 54, 72, 106, 108, 144, 159, 212, 216, 318, 424, 432, 477, 636, 848, 954, 1272, 1431, 1908, 2544, 2862, 3557, 3816, 5724, 7114, 7632, 10671, 11448, 14228, 21342, 22896, 28456, 32013, 42684, 56912, 64026, 85368, 96039, 128052, 170736, 188521, 192078, 256104, 377042, 384156, 512208, 565563, 754084, 768312, 1131126, 1508168, 1536624, 1696689, 2262252, 3016336, 3393378, 4524504, 5090067, 6786756, 9049008, 10180134, 13573512, 20360268, 27147024, 40720536, 81441072]

約数ペア:

[(1, 81441072), (2, 40720536), (3, 27147024), (4, 20360268), (6, 13573512), (8, 10180134), (9, 9049008), (12, 6786756), (16, 5090067), (18, 4524504), (24, 3393378), (27, 3016336), (36, 2262252), (48, 1696689), (53, 1536624), (54, 1508168), (72, 1131126), (106, 768312), (108, 754084), (144, 565563), (159, 512208), (212, 384156), (216, 377042), (318, 256104), (424, 192078), (432, 188521), (477, 170736), (636, 128052), (848, 96039), (954, 85368), (1272, 64026), (1431, 56912), (1908, 42684), (2544, 32013), (2862, 28456), (3557, 22896), (3816, 21342), (5724, 14228), (7114, 11448), (7632, 10671)]