225776720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:253

約数の個数: 160

約数和(自身を含む): 599961600

約数和(自身を除く): 374184880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 47, 52, 62, 65, 80, 94, 104, 124, 130, 149, 155, 188, 208, 235, 248, 260, 298, 310, 376, 403, 470, 496, 520, 596, 611, 620, 745, 752, 806, 940, 1040, 1192, 1222, 1240, 1457, 1490, 1612, 1880, 1937, 2015, 2384, 2444, 2480, 2914, 2980, 3055, 3224, 3760, 3874, 4030, 4619, 4888, 5828, 5960, 6110, 6448, 7003, 7285, 7748, 8060, 9238, 9685, 9776, 11656, 11920, 12220, 14006, 14570, 15496, 16120, 18476, 18941, 19370, 23095, 23312, 24440, 28012, 29140, 30992, 32240, 35015, 36952, 37882, 38740, 46190, 48880, 56024, 58280, 60047, 70030, 73904, 75764, 77480, 91039, 92380, 94705, 112048, 116560, 120094, 140060, 151528, 154960, 182078, 184760, 189410, 217093, 240188, 280120, 300235, 303056, 364156, 369520, 378820, 434186, 455195, 480376, 560240, 600470, 728312, 757640, 868372, 910390, 960752, 1085465, 1200940, 1456624, 1515280, 1736744, 1820780, 2170930, 2401880, 2822209, 3473488, 3641560, 4341860, 4803760, 5644418, 7283120, 8683720, 11288836, 14111045, 17367440, 22577672, 28222090, 45155344, 56444180, 112888360, 225776720]

約数ペア:

[(1, 225776720), (2, 112888360), (4, 56444180), (5, 45155344), (8, 28222090), (10, 22577672), (13, 17367440), (16, 14111045), (20, 11288836), (26, 8683720), (31, 7283120), (40, 5644418), (47, 4803760), (52, 4341860), (62, 3641560), (65, 3473488), (80, 2822209), (94, 2401880), (104, 2170930), (124, 1820780), (130, 1736744), (149, 1515280), (155, 1456624), (188, 1200940), (208, 1085465), (235, 960752), (248, 910390), (260, 868372), (298, 757640), (310, 728312), (376, 600470), (403, 560240), (470, 480376), (496, 455195), (520, 434186), (596, 378820), (611, 369520), (620, 364156), (745, 303056), (752, 300235), (806, 280120), (940, 240188), (1040, 217093), (1192, 189410), (1222, 184760), (1240, 182078), (1457, 154960), (1490, 151528), (1612, 140060), (1880, 120094), (1937, 116560), (2015, 112048), (2384, 94705), (2444, 92380), (2480, 91039), (2914, 77480), (2980, 75764), (3055, 73904), (3224, 70030), (3760, 60047), (3874, 58280), (4030, 56024), (4619, 48880), (4888, 46190), (5828, 38740), (5960, 37882), (6110, 36952), (6448, 35015), (7003, 32240), (7285, 30992), (7748, 29140), (8060, 28012), (9238, 24440), (9685, 23312), (9776, 23095), (11656, 19370), (11920, 18941), (12220, 18476), (14006, 16120), (14570, 15496)]