71899520

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1459}}^1$

素因数の和:1496

約数の個数: 128

約数和(自身を含む): 214444800

約数和(自身を除く): 142545280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 140, 154, 160, 176, 220, 224, 280, 308, 320, 352, 385, 440, 448, 560, 616, 640, 704, 770, 880, 896, 1120, 1232, 1408, 1459, 1540, 1760, 2240, 2464, 2918, 3080, 3520, 4480, 4928, 5836, 6160, 7040, 7295, 9856, 10213, 11672, 12320, 14590, 16049, 20426, 23344, 24640, 29180, 32098, 40852, 46688, 49280, 51065, 58360, 64196, 80245, 81704, 93376, 102130, 112343, 116720, 128392, 160490, 163408, 186752, 204260, 224686, 233440, 256784, 320980, 326816, 408520, 449372, 466880, 513568, 561715, 641960, 653632, 817040, 898744, 933760, 1027136, 1123430, 1283920, 1307264, 1634080, 1797488, 2054272, 2246860, 2567840, 3268160, 3594976, 4493720, 5135680, 6536320, 7189952, 8987440, 10271360, 14379904, 17974880, 35949760, 71899520]

約数ペア:

[(1, 71899520), (2, 35949760), (4, 17974880), (5, 14379904), (7, 10271360), (8, 8987440), (10, 7189952), (11, 6536320), (14, 5135680), (16, 4493720), (20, 3594976), (22, 3268160), (28, 2567840), (32, 2246860), (35, 2054272), (40, 1797488), (44, 1634080), (55, 1307264), (56, 1283920), (64, 1123430), (70, 1027136), (77, 933760), (80, 898744), (88, 817040), (110, 653632), (112, 641960), (128, 561715), (140, 513568), (154, 466880), (160, 449372), (176, 408520), (220, 326816), (224, 320980), (280, 256784), (308, 233440), (320, 224686), (352, 204260), (385, 186752), (440, 163408), (448, 160490), (560, 128392), (616, 116720), (640, 112343), (704, 102130), (770, 93376), (880, 81704), (896, 80245), (1120, 64196), (1232, 58360), (1408, 51065), (1459, 49280), (1540, 46688), (1760, 40852), (2240, 32098), (2464, 29180), (2918, 24640), (3080, 23344), (3520, 20426), (4480, 16049), (4928, 14590), (5836, 12320), (6160, 11672), (7040, 10213), (7295, 9856)]