81874320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31013}}^1$

素因数の和:31040

約数の個数: 80

約数和(自身を含む): 276892992

約数和(自身を除く): 195018672

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 31013, 62026, 93039, 124052, 155065, 186078, 248104, 310130, 341143, 372156, 465195, 496208, 620260, 682286, 744312, 930390, 1023429, 1240520, 1364572, 1488624, 1705715, 1860780, 2046858, 2481040, 2729144, 3411430, 3721560, 4093716, 5117145, 5458288, 6822860, 7443120, 8187432, 10234290, 13645720, 16374864, 20468580, 27291440, 40937160, 81874320]

約数ペア:

[(1, 81874320), (2, 40937160), (3, 27291440), (4, 20468580), (5, 16374864), (6, 13645720), (8, 10234290), (10, 8187432), (11, 7443120), (12, 6822860), (15, 5458288), (16, 5117145), (20, 4093716), (22, 3721560), (24, 3411430), (30, 2729144), (33, 2481040), (40, 2046858), (44, 1860780), (48, 1705715), (55, 1488624), (60, 1364572), (66, 1240520), (80, 1023429), (88, 930390), (110, 744312), (120, 682286), (132, 620260), (165, 496208), (176, 465195), (220, 372156), (240, 341143), (264, 310130), (330, 248104), (440, 186078), (528, 155065), (660, 124052), (880, 93039), (1320, 62026), (2640, 31013)]