1608920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:132

約数の個数: 64

約数和(自身を含む): 3996000

約数和(自身を除く): 2387080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 38, 40, 58, 73, 76, 95, 116, 145, 146, 152, 190, 232, 290, 292, 365, 380, 551, 580, 584, 730, 760, 1102, 1160, 1387, 1460, 2117, 2204, 2755, 2774, 2920, 4234, 4408, 5510, 5548, 6935, 8468, 10585, 11020, 11096, 13870, 16936, 21170, 22040, 27740, 40223, 42340, 55480, 80446, 84680, 160892, 201115, 321784, 402230, 804460, 1608920]

約数ペア:

[(1, 1608920), (2, 804460), (4, 402230), (5, 321784), (8, 201115), (10, 160892), (19, 84680), (20, 80446), (29, 55480), (38, 42340), (40, 40223), (58, 27740), (73, 22040), (76, 21170), (95, 16936), (116, 13870), (145, 11096), (146, 11020), (152, 10585), (190, 8468), (232, 6935), (290, 5548), (292, 5510), (365, 4408), (380, 4234), (551, 2920), (580, 2774), (584, 2755), (730, 2204), (760, 2117), (1102, 1460), (1160, 1387)]