30279920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1811}}^1$

素因数の和:1854

約数の個数: 80

約数和(自身を含む): 80887680

約数和(自身を除く): 50607760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 1811, 2090, 3344, 3622, 4180, 7244, 8360, 9055, 14488, 16720, 18110, 19921, 28976, 34409, 36220, 39842, 68818, 72440, 79684, 99605, 137636, 144880, 159368, 172045, 199210, 275272, 318736, 344090, 378499, 398420, 550544, 688180, 756998, 796840, 1376360, 1513996, 1593680, 1892495, 2752720, 3027992, 3784990, 6055984, 7569980, 15139960, 30279920]

約数ペア:

[(1, 30279920), (2, 15139960), (4, 7569980), (5, 6055984), (8, 3784990), (10, 3027992), (11, 2752720), (16, 1892495), (19, 1593680), (20, 1513996), (22, 1376360), (38, 796840), (40, 756998), (44, 688180), (55, 550544), (76, 398420), (80, 378499), (88, 344090), (95, 318736), (110, 275272), (152, 199210), (176, 172045), (190, 159368), (209, 144880), (220, 137636), (304, 99605), (380, 79684), (418, 72440), (440, 68818), (760, 39842), (836, 36220), (880, 34409), (1045, 28976), (1520, 19921), (1672, 18110), (1811, 16720), (2090, 14488), (3344, 9055), (3622, 8360), (4180, 7244)]