12811920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1$

素因数の和:261

約数の個数: 160

約数和(自身を含む): 45425664

約数和(自身を除く): 32613744

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 23, 24, 30, 33, 40, 44, 46, 48, 55, 60, 66, 69, 80, 88, 92, 110, 115, 120, 132, 138, 165, 176, 184, 211, 220, 230, 240, 253, 264, 276, 330, 345, 368, 422, 440, 460, 506, 528, 552, 633, 660, 690, 759, 844, 880, 920, 1012, 1055, 1104, 1265, 1266, 1320, 1380, 1518, 1688, 1840, 2024, 2110, 2321, 2530, 2532, 2640, 2760, 3036, 3165, 3376, 3795, 4048, 4220, 4642, 4853, 5060, 5064, 5520, 6072, 6330, 6963, 7590, 8440, 9284, 9706, 10120, 10128, 11605, 12144, 12660, 13926, 14559, 15180, 16880, 18568, 19412, 20240, 23210, 24265, 25320, 27852, 29118, 30360, 34815, 37136, 38824, 46420, 48530, 50640, 53383, 55704, 58236, 60720, 69630, 72795, 77648, 92840, 97060, 106766, 111408, 116472, 139260, 145590, 160149, 185680, 194120, 213532, 232944, 266915, 278520, 291180, 320298, 388240, 427064, 533830, 557040, 582360, 640596, 800745, 854128, 1067660, 1164720, 1281192, 1601490, 2135320, 2562384, 3202980, 4270640, 6405960, 12811920]

約数ペア:

[(1, 12811920), (2, 6405960), (3, 4270640), (4, 3202980), (5, 2562384), (6, 2135320), (8, 1601490), (10, 1281192), (11, 1164720), (12, 1067660), (15, 854128), (16, 800745), (20, 640596), (22, 582360), (23, 557040), (24, 533830), (30, 427064), (33, 388240), (40, 320298), (44, 291180), (46, 278520), (48, 266915), (55, 232944), (60, 213532), (66, 194120), (69, 185680), (80, 160149), (88, 145590), (92, 139260), (110, 116472), (115, 111408), (120, 106766), (132, 97060), (138, 92840), (165, 77648), (176, 72795), (184, 69630), (211, 60720), (220, 58236), (230, 55704), (240, 53383), (253, 50640), (264, 48530), (276, 46420), (330, 38824), (345, 37136), (368, 34815), (422, 30360), (440, 29118), (460, 27852), (506, 25320), (528, 24265), (552, 23210), (633, 20240), (660, 19412), (690, 18568), (759, 16880), (844, 15180), (880, 14559), (920, 13926), (1012, 12660), (1055, 12144), (1104, 11605), (1265, 10128), (1266, 10120), (1320, 9706), (1380, 9284), (1518, 8440), (1688, 7590), (1840, 6963), (2024, 6330), (2110, 6072), (2321, 5520), (2530, 5064), (2532, 5060), (2640, 4853), (2760, 4642), (3036, 4220), (3165, 4048), (3376, 3795)]