81334400

素因数分解:

$2^7\times 5^2\times 7^1\times {\mathrm{3631}}^1$

素因数の和:3662

約数の個数: 96

約数和(自身を含む): 229687680

約数和(自身を除く): 148353280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 128, 140, 160, 175, 200, 224, 280, 320, 350, 400, 448, 560, 640, 700, 800, 896, 1120, 1400, 1600, 2240, 2800, 3200, 3631, 4480, 5600, 7262, 11200, 14524, 18155, 22400, 25417, 29048, 36310, 50834, 58096, 72620, 90775, 101668, 116192, 127085, 145240, 181550, 203336, 232384, 254170, 290480, 363100, 406672, 464768, 508340, 580960, 635425, 726200, 813344, 1016680, 1161920, 1270850, 1452400, 1626688, 2033360, 2323840, 2541700, 2904800, 3253376, 4066720, 5083400, 5809600, 8133440, 10166800, 11619200, 16266880, 20333600, 40667200, 81334400]

約数ペア:

[(1, 81334400), (2, 40667200), (4, 20333600), (5, 16266880), (7, 11619200), (8, 10166800), (10, 8133440), (14, 5809600), (16, 5083400), (20, 4066720), (25, 3253376), (28, 2904800), (32, 2541700), (35, 2323840), (40, 2033360), (50, 1626688), (56, 1452400), (64, 1270850), (70, 1161920), (80, 1016680), (100, 813344), (112, 726200), (128, 635425), (140, 580960), (160, 508340), (175, 464768), (200, 406672), (224, 363100), (280, 290480), (320, 254170), (350, 232384), (400, 203336), (448, 181550), (560, 145240), (640, 127085), (700, 116192), (800, 101668), (896, 90775), (1120, 72620), (1400, 58096), (1600, 50834), (2240, 36310), (2800, 29048), (3200, 25417), (3631, 22400), (4480, 18155), (5600, 14524), (7262, 11200)]