28732440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21767}}^1$

素因数の和:21792

約数の個数: 64

約数和(自身を含む): 94037760

約数和(自身を除く): 65305320

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, 21767, 43534, 65301, 87068, 108835, 130602, 174136, 217670, 239437, 261204, 326505, 435340, 478874, 522408, 653010, 718311, 870680, 957748, 1197185, 1306020, 1436622, 1915496, 2394370, 2612040, 2873244, 3591555, 4788740, 5746488, 7183110, 9577480, 14366220, 28732440]

約数ペア:

[(1, 28732440), (2, 14366220), (3, 9577480), (4, 7183110), (5, 5746488), (6, 4788740), (8, 3591555), (10, 2873244), (11, 2612040), (12, 2394370), (15, 1915496), (20, 1436622), (22, 1306020), (24, 1197185), (30, 957748), (33, 870680), (40, 718311), (44, 653010), (55, 522408), (60, 478874), (66, 435340), (88, 326505), (110, 261204), (120, 239437), (132, 217670), (165, 174136), (220, 130602), (264, 108835), (330, 87068), (440, 65301), (660, 43534), (1320, 21767)]