12871360

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:138

約数の個数: 112

約数和(自身を含む): 33832800

約数和(自身を除く): 20961440

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 32, 38, 40, 58, 64, 73, 76, 80, 95, 116, 145, 146, 152, 160, 190, 232, 290, 292, 304, 320, 365, 380, 464, 551, 580, 584, 608, 730, 760, 928, 1102, 1160, 1168, 1216, 1387, 1460, 1520, 1856, 2117, 2204, 2320, 2336, 2755, 2774, 2920, 3040, 4234, 4408, 4640, 4672, 5510, 5548, 5840, 6080, 6935, 8468, 8816, 9280, 10585, 11020, 11096, 11680, 13870, 16936, 17632, 21170, 22040, 22192, 23360, 27740, 33872, 35264, 40223, 42340, 44080, 44384, 55480, 67744, 80446, 84680, 88160, 88768, 110960, 135488, 160892, 169360, 176320, 201115, 221920, 321784, 338720, 402230, 443840, 643568, 677440, 804460, 1287136, 1608920, 2574272, 3217840, 6435680, 12871360]

約数ペア:

[(1, 12871360), (2, 6435680), (4, 3217840), (5, 2574272), (8, 1608920), (10, 1287136), (16, 804460), (19, 677440), (20, 643568), (29, 443840), (32, 402230), (38, 338720), (40, 321784), (58, 221920), (64, 201115), (73, 176320), (76, 169360), (80, 160892), (95, 135488), (116, 110960), (145, 88768), (146, 88160), (152, 84680), (160, 80446), (190, 67744), (232, 55480), (290, 44384), (292, 44080), (304, 42340), (320, 40223), (365, 35264), (380, 33872), (464, 27740), (551, 23360), (580, 22192), (584, 22040), (608, 21170), (730, 17632), (760, 16936), (928, 13870), (1102, 11680), (1160, 11096), (1168, 11020), (1216, 10585), (1387, 9280), (1460, 8816), (1520, 8468), (1856, 6935), (2117, 6080), (2204, 5840), (2320, 5548), (2336, 5510), (2755, 4672), (2774, 4640), (2920, 4408), (3040, 4234)]