28788840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{379}}^1$

素因数の和:607

約数の個数: 96

約数和(自身を含む): 94255200

約数和(自身を除く): 65466360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 211, 360, 379, 422, 633, 758, 844, 1055, 1137, 1266, 1516, 1688, 1895, 1899, 2110, 2274, 2532, 3032, 3165, 3411, 3790, 3798, 4220, 4548, 5064, 5685, 6330, 6822, 7580, 7596, 8440, 9096, 9495, 11370, 12660, 13644, 15160, 15192, 17055, 18990, 22740, 25320, 27288, 34110, 37980, 45480, 68220, 75960, 79969, 136440, 159938, 239907, 319876, 399845, 479814, 639752, 719721, 799690, 959628, 1199535, 1439442, 1599380, 1919256, 2399070, 2878884, 3198760, 3598605, 4798140, 5757768, 7197210, 9596280, 14394420, 28788840]

約数ペア:

[(1, 28788840), (2, 14394420), (3, 9596280), (4, 7197210), (5, 5757768), (6, 4798140), (8, 3598605), (9, 3198760), (10, 2878884), (12, 2399070), (15, 1919256), (18, 1599380), (20, 1439442), (24, 1199535), (30, 959628), (36, 799690), (40, 719721), (45, 639752), (60, 479814), (72, 399845), (90, 319876), (120, 239907), (180, 159938), (211, 136440), (360, 79969), (379, 75960), (422, 68220), (633, 45480), (758, 37980), (844, 34110), (1055, 27288), (1137, 25320), (1266, 22740), (1516, 18990), (1688, 17055), (1895, 15192), (1899, 15160), (2110, 13644), (2274, 12660), (2532, 11370), (3032, 9495), (3165, 9096), (3411, 8440), (3790, 7596), (3798, 7580), (4220, 6822), (4548, 6330), (5064, 5685)]