387640960

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{263}}^1$

素因数の和:343

約数の個数: 192

約数和(自身を含む): 1105125120

約数和(自身を除く): 717484160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 47, 49, 56, 64, 70, 80, 94, 98, 112, 128, 140, 160, 188, 196, 224, 235, 245, 263, 280, 320, 329, 376, 392, 448, 470, 490, 526, 560, 640, 658, 752, 784, 896, 940, 980, 1052, 1120, 1315, 1316, 1504, 1568, 1645, 1841, 1880, 1960, 2104, 2240, 2303, 2630, 2632, 3008, 3136, 3290, 3682, 3760, 3920, 4208, 4480, 4606, 5260, 5264, 6016, 6272, 6580, 7364, 7520, 7840, 8416, 9205, 9212, 10520, 10528, 11515, 12361, 12887, 13160, 14728, 15040, 15680, 16832, 18410, 18424, 21040, 21056, 23030, 24722, 25774, 26320, 29456, 30080, 31360, 33664, 36820, 36848, 42080, 42112, 46060, 49444, 51548, 52640, 58912, 61805, 64435, 73640, 73696, 84160, 86527, 92120, 98888, 103096, 105280, 117824, 123610, 128870, 147280, 147392, 168320, 173054, 184240, 197776, 206192, 210560, 235648, 247220, 257740, 294560, 294784, 346108, 368480, 395552, 412384, 432635, 494440, 515480, 589120, 605689, 692216, 736960, 791104, 824768, 865270, 988880, 1030960, 1178240, 1211378, 1384432, 1473920, 1582208, 1649536, 1730540, 1977760, 2061920, 2422756, 2768864, 3028445, 3461080, 3955520, 4123840, 4845512, 5537728, 6056890, 6922160, 7911040, 8247680, 9691024, 11075456, 12113780, 13844320, 19382048, 24227560, 27688640, 38764096, 48455120, 55377280, 77528192, 96910240, 193820480, 387640960]

約数ペア:

[(1, 387640960), (2, 193820480), (4, 96910240), (5, 77528192), (7, 55377280), (8, 48455120), (10, 38764096), (14, 27688640), (16, 24227560), (20, 19382048), (28, 13844320), (32, 12113780), (35, 11075456), (40, 9691024), (47, 8247680), (49, 7911040), (56, 6922160), (64, 6056890), (70, 5537728), (80, 4845512), (94, 4123840), (98, 3955520), (112, 3461080), (128, 3028445), (140, 2768864), (160, 2422756), (188, 2061920), (196, 1977760), (224, 1730540), (235, 1649536), (245, 1582208), (263, 1473920), (280, 1384432), (320, 1211378), (329, 1178240), (376, 1030960), (392, 988880), (448, 865270), (470, 824768), (490, 791104), (526, 736960), (560, 692216), (640, 605689), (658, 589120), (752, 515480), (784, 494440), (896, 432635), (940, 412384), (980, 395552), (1052, 368480), (1120, 346108), (1315, 294784), (1316, 294560), (1504, 257740), (1568, 247220), (1645, 235648), (1841, 210560), (1880, 206192), (1960, 197776), (2104, 184240), (2240, 173054), (2303, 168320), (2630, 147392), (2632, 147280), (3008, 128870), (3136, 123610), (3290, 117824), (3682, 105280), (3760, 103096), (3920, 98888), (4208, 92120), (4480, 86527), (4606, 84160), (5260, 73696), (5264, 73640), (6016, 64435), (6272, 61805), (6580, 58912), (7364, 52640), (7520, 51548), (7840, 49444), (8416, 46060), (9205, 42112), (9212, 42080), (10520, 36848), (10528, 36820), (11515, 33664), (12361, 31360), (12887, 30080), (13160, 29456), (14728, 26320), (15040, 25774), (15680, 24722), (16832, 23030), (18410, 21056), (18424, 21040)]