2850320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:144

約数の個数: 80

約数和(自身を含む): 7499520

約数和(自身を除く): 4649200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 41, 44, 55, 79, 80, 82, 88, 110, 158, 164, 176, 205, 220, 316, 328, 395, 410, 440, 451, 632, 656, 790, 820, 869, 880, 902, 1264, 1580, 1640, 1738, 1804, 2255, 3160, 3239, 3280, 3476, 3608, 4345, 4510, 6320, 6478, 6952, 7216, 8690, 9020, 12956, 13904, 16195, 17380, 18040, 25912, 32390, 34760, 35629, 36080, 51824, 64780, 69520, 71258, 129560, 142516, 178145, 259120, 285032, 356290, 570064, 712580, 1425160, 2850320]

約数ペア:

[(1, 2850320), (2, 1425160), (4, 712580), (5, 570064), (8, 356290), (10, 285032), (11, 259120), (16, 178145), (20, 142516), (22, 129560), (40, 71258), (41, 69520), (44, 64780), (55, 51824), (79, 36080), (80, 35629), (82, 34760), (88, 32390), (110, 25912), (158, 18040), (164, 17380), (176, 16195), (205, 13904), (220, 12956), (316, 9020), (328, 8690), (395, 7216), (410, 6952), (440, 6478), (451, 6320), (632, 4510), (656, 4345), (790, 3608), (820, 3476), (869, 3280), (880, 3239), (902, 3160), (1264, 2255), (1580, 1804), (1640, 1738)]