131690240

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:278

約数の個数: 144

約数和(自身を含む): 353203200

約数和(自身を除く): 221512960

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 47, 55, 64, 80, 88, 94, 110, 128, 160, 176, 188, 199, 220, 235, 256, 320, 352, 376, 398, 440, 470, 517, 640, 704, 752, 796, 880, 940, 995, 1034, 1280, 1408, 1504, 1592, 1760, 1880, 1990, 2068, 2189, 2585, 2816, 3008, 3184, 3520, 3760, 3980, 4136, 4378, 5170, 6016, 6368, 7040, 7520, 7960, 8272, 8756, 9353, 10340, 10945, 12032, 12736, 14080, 15040, 15920, 16544, 17512, 18706, 20680, 21890, 25472, 30080, 31840, 33088, 35024, 37412, 41360, 43780, 46765, 50944, 60160, 63680, 66176, 70048, 74824, 82720, 87560, 93530, 102883, 127360, 132352, 140096, 149648, 165440, 175120, 187060, 205766, 254720, 280192, 299296, 330880, 350240, 374120, 411532, 514415, 560384, 598592, 661760, 700480, 748240, 823064, 1028830, 1197184, 1400960, 1496480, 1646128, 2057660, 2394368, 2801920, 2992960, 3292256, 4115320, 5985920, 6584512, 8230640, 11971840, 13169024, 16461280, 26338048, 32922560, 65845120, 131690240]

約数ペア:

[(1, 131690240), (2, 65845120), (4, 32922560), (5, 26338048), (8, 16461280), (10, 13169024), (11, 11971840), (16, 8230640), (20, 6584512), (22, 5985920), (32, 4115320), (40, 3292256), (44, 2992960), (47, 2801920), (55, 2394368), (64, 2057660), (80, 1646128), (88, 1496480), (94, 1400960), (110, 1197184), (128, 1028830), (160, 823064), (176, 748240), (188, 700480), (199, 661760), (220, 598592), (235, 560384), (256, 514415), (320, 411532), (352, 374120), (376, 350240), (398, 330880), (440, 299296), (470, 280192), (517, 254720), (640, 205766), (704, 187060), (752, 175120), (796, 165440), (880, 149648), (940, 140096), (995, 132352), (1034, 127360), (1280, 102883), (1408, 93530), (1504, 87560), (1592, 82720), (1760, 74824), (1880, 70048), (1990, 66176), (2068, 63680), (2189, 60160), (2585, 50944), (2816, 46765), (3008, 43780), (3184, 41360), (3520, 37412), (3760, 35024), (3980, 33088), (4136, 31840), (4378, 30080), (5170, 25472), (6016, 21890), (6368, 20680), (7040, 18706), (7520, 17512), (7960, 16544), (8272, 15920), (8756, 15040), (9353, 14080), (10340, 12736), (10945, 12032)]