278292120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1\times {\mathrm{379}}^1$

素因数の和:633

約数の個数: 128

約数和(自身を含む): 870048000

約数和(自身を除く): 591755880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 211, 232, 290, 348, 379, 422, 435, 580, 633, 696, 758, 844, 870, 1055, 1137, 1160, 1266, 1516, 1688, 1740, 1895, 2110, 2274, 2532, 3032, 3165, 3480, 3790, 4220, 4548, 5064, 5685, 6119, 6330, 7580, 8440, 9096, 10991, 11370, 12238, 12660, 15160, 18357, 21982, 22740, 24476, 25320, 30595, 32973, 36714, 43964, 45480, 48952, 54955, 61190, 65946, 73428, 79969, 87928, 91785, 109910, 122380, 131892, 146856, 159938, 164865, 183570, 219820, 239907, 244760, 263784, 319876, 329730, 367140, 399845, 439640, 479814, 639752, 659460, 734280, 799690, 959628, 1199535, 1318920, 1599380, 1919256, 2319101, 2399070, 3198760, 4638202, 4798140, 6957303, 9276404, 9596280, 11595505, 13914606, 18552808, 23191010, 27829212, 34786515, 46382020, 55658424, 69573030, 92764040, 139146060, 278292120]

約数ペア:

[(1, 278292120), (2, 139146060), (3, 92764040), (4, 69573030), (5, 55658424), (6, 46382020), (8, 34786515), (10, 27829212), (12, 23191010), (15, 18552808), (20, 13914606), (24, 11595505), (29, 9596280), (30, 9276404), (40, 6957303), (58, 4798140), (60, 4638202), (87, 3198760), (116, 2399070), (120, 2319101), (145, 1919256), (174, 1599380), (211, 1318920), (232, 1199535), (290, 959628), (348, 799690), (379, 734280), (422, 659460), (435, 639752), (580, 479814), (633, 439640), (696, 399845), (758, 367140), (844, 329730), (870, 319876), (1055, 263784), (1137, 244760), (1160, 239907), (1266, 219820), (1516, 183570), (1688, 164865), (1740, 159938), (1895, 146856), (2110, 131892), (2274, 122380), (2532, 109910), (3032, 91785), (3165, 87928), (3480, 79969), (3790, 73428), (4220, 65946), (4548, 61190), (5064, 54955), (5685, 48952), (6119, 45480), (6330, 43964), (7580, 36714), (8440, 32973), (9096, 30595), (10991, 25320), (11370, 24476), (12238, 22740), (12660, 21982), (15160, 18357)]