7205640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:207

約数の個数: 128

約数和(自身を含む): 24192000

約数和(自身を除く): 16986360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 52, 60, 62, 65, 78, 93, 104, 120, 124, 130, 149, 155, 156, 186, 195, 248, 260, 298, 310, 312, 372, 390, 403, 447, 465, 520, 596, 620, 744, 745, 780, 806, 894, 930, 1192, 1209, 1240, 1490, 1560, 1612, 1788, 1860, 1937, 2015, 2235, 2418, 2980, 3224, 3576, 3720, 3874, 4030, 4470, 4619, 4836, 5811, 5960, 6045, 7748, 8060, 8940, 9238, 9672, 9685, 11622, 12090, 13857, 15496, 16120, 17880, 18476, 19370, 23095, 23244, 24180, 27714, 29055, 36952, 38740, 46190, 46488, 48360, 55428, 58110, 60047, 69285, 77480, 92380, 110856, 116220, 120094, 138570, 180141, 184760, 232440, 240188, 277140, 300235, 360282, 480376, 554280, 600470, 720564, 900705, 1200940, 1441128, 1801410, 2401880, 3602820, 7205640]

約数ペア:

[(1, 7205640), (2, 3602820), (3, 2401880), (4, 1801410), (5, 1441128), (6, 1200940), (8, 900705), (10, 720564), (12, 600470), (13, 554280), (15, 480376), (20, 360282), (24, 300235), (26, 277140), (30, 240188), (31, 232440), (39, 184760), (40, 180141), (52, 138570), (60, 120094), (62, 116220), (65, 110856), (78, 92380), (93, 77480), (104, 69285), (120, 60047), (124, 58110), (130, 55428), (149, 48360), (155, 46488), (156, 46190), (186, 38740), (195, 36952), (248, 29055), (260, 27714), (298, 24180), (310, 23244), (312, 23095), (372, 19370), (390, 18476), (403, 17880), (447, 16120), (465, 15496), (520, 13857), (596, 12090), (620, 11622), (744, 9685), (745, 9672), (780, 9238), (806, 8940), (894, 8060), (930, 7748), (1192, 6045), (1209, 5960), (1240, 5811), (1490, 4836), (1560, 4619), (1612, 4470), (1788, 4030), (1860, 3874), (1937, 3720), (2015, 3576), (2235, 3224), (2418, 2980)]