68785920

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{853}}^1$

素因数の和:887

約数の個数: 216

約数和(自身を含む): 272309856

約数和(自身を除く): 203523936

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 768, 840, 853, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1680, 1706, 1792, 1920, 2016, 2240, 2304, 2520, 2559, 2688, 2880, 3360, 3412, 3840, 4032, 4265, 4480, 5040, 5118, 5376, 5760, 5971, 6720, 6824, 7677, 8064, 8530, 8960, 10080, 10236, 11520, 11942, 12795, 13440, 13648, 15354, 16128, 17060, 17913, 20160, 20472, 23884, 25590, 26880, 27296, 29855, 30708, 34120, 35826, 38385, 40320, 40944, 47768, 51180, 53739, 54592, 59710, 61416, 68240, 71652, 76770, 80640, 81888, 89565, 95536, 102360, 107478, 109184, 119420, 122832, 136480, 143304, 153540, 163776, 179130, 191072, 204720, 214956, 218368, 238840, 245664, 268695, 272960, 286608, 307080, 327552, 358260, 382144, 409440, 429912, 477680, 491328, 537390, 545920, 573216, 614160, 655104, 716520, 764288, 818880, 859824, 955360, 982656, 1074780, 1091840, 1146432, 1228320, 1433040, 1528576, 1637760, 1719648, 1910720, 1965312, 2149560, 2292864, 2456640, 2866080, 3275520, 3439296, 3821440, 4299120, 4585728, 4913280, 5732160, 6878592, 7642880, 8598240, 9826560, 11464320, 13757184, 17196480, 22928640, 34392960, 68785920]

約数ペア:

[(1, 68785920), (2, 34392960), (3, 22928640), (4, 17196480), (5, 13757184), (6, 11464320), (7, 9826560), (8, 8598240), (9, 7642880), (10, 6878592), (12, 5732160), (14, 4913280), (15, 4585728), (16, 4299120), (18, 3821440), (20, 3439296), (21, 3275520), (24, 2866080), (28, 2456640), (30, 2292864), (32, 2149560), (35, 1965312), (36, 1910720), (40, 1719648), (42, 1637760), (45, 1528576), (48, 1433040), (56, 1228320), (60, 1146432), (63, 1091840), (64, 1074780), (70, 982656), (72, 955360), (80, 859824), (84, 818880), (90, 764288), (96, 716520), (105, 655104), (112, 614160), (120, 573216), (126, 545920), (128, 537390), (140, 491328), (144, 477680), (160, 429912), (168, 409440), (180, 382144), (192, 358260), (210, 327552), (224, 307080), (240, 286608), (252, 272960), (256, 268695), (280, 245664), (288, 238840), (315, 218368), (320, 214956), (336, 204720), (360, 191072), (384, 179130), (420, 163776), (448, 153540), (480, 143304), (504, 136480), (560, 122832), (576, 119420), (630, 109184), (640, 107478), (672, 102360), (720, 95536), (768, 89565), (840, 81888), (853, 80640), (896, 76770), (960, 71652), (1008, 68240), (1120, 61416), (1152, 59710), (1260, 54592), (1280, 53739), (1344, 51180), (1440, 47768), (1680, 40944), (1706, 40320), (1792, 38385), (1920, 35826), (2016, 34120), (2240, 30708), (2304, 29855), (2520, 27296), (2559, 26880), (2688, 25590), (2880, 23884), (3360, 20472), (3412, 20160), (3840, 17913), (4032, 17060), (4265, 16128), (4480, 15354), (5040, 13648), (5118, 13440), (5376, 12795), (5760, 11942), (5971, 11520), (6720, 10236), (6824, 10080), (7677, 8960), (8064, 8530)]