30112720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1801}}^1$

素因数の和:1844

約数の個数: 80

約数和(自身を含む): 80441280

約数和(自身を除く): 50328560

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, 1801, 2090, 3344, 3602, 4180, 7204, 8360, 9005, 14408, 16720, 18010, 19811, 28816, 34219, 36020, 39622, 68438, 72040, 79244, 99055, 136876, 144080, 158488, 171095, 198110, 273752, 316976, 342190, 376409, 396220, 547504, 684380, 752818, 792440, 1368760, 1505636, 1584880, 1882045, 2737520, 3011272, 3764090, 6022544, 7528180, 15056360, 30112720]

約数ペア:

[(1, 30112720), (2, 15056360), (4, 7528180), (5, 6022544), (8, 3764090), (10, 3011272), (11, 2737520), (16, 1882045), (19, 1584880), (20, 1505636), (22, 1368760), (38, 792440), (40, 752818), (44, 684380), (55, 547504), (76, 396220), (80, 376409), (88, 342190), (95, 316976), (110, 273752), (152, 198110), (176, 171095), (190, 158488), (209, 144080), (220, 136876), (304, 99055), (380, 79244), (418, 72040), (440, 68438), (760, 39622), (836, 36020), (880, 34219), (1045, 28816), (1520, 19811), (1672, 18010), (1801, 16720), (2090, 14408), (3344, 9005), (3602, 8360), (4180, 7204)]