28306960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1693}}^1$

素因数の和:1736

約数の個数: 80

約数和(自身を含む): 75620160

約数和(自身を除く): 47313200

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, 1693, 2090, 3344, 3386, 4180, 6772, 8360, 8465, 13544, 16720, 16930, 18623, 27088, 32167, 33860, 37246, 64334, 67720, 74492, 93115, 128668, 135440, 148984, 160835, 186230, 257336, 297968, 321670, 353837, 372460, 514672, 643340, 707674, 744920, 1286680, 1415348, 1489840, 1769185, 2573360, 2830696, 3538370, 5661392, 7076740, 14153480, 28306960]

約数ペア:

[(1, 28306960), (2, 14153480), (4, 7076740), (5, 5661392), (8, 3538370), (10, 2830696), (11, 2573360), (16, 1769185), (19, 1489840), (20, 1415348), (22, 1286680), (38, 744920), (40, 707674), (44, 643340), (55, 514672), (76, 372460), (80, 353837), (88, 321670), (95, 297968), (110, 257336), (152, 186230), (176, 160835), (190, 148984), (209, 135440), (220, 128668), (304, 93115), (380, 74492), (418, 67720), (440, 64334), (760, 37246), (836, 33860), (880, 32167), (1045, 27088), (1520, 18623), (1672, 16930), (1693, 16720), (2090, 13544), (3344, 8465), (3386, 8360), (4180, 6772)]