1640803840

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1049}}^1$

素因数の和:1132

約数の個数: 160

約数和(自身を含む): 4330972800

約数和(自身を除く): 2690168960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 47, 52, 64, 65, 80, 94, 104, 128, 130, 160, 188, 208, 235, 256, 260, 320, 376, 416, 470, 512, 520, 611, 640, 752, 832, 940, 1040, 1049, 1222, 1280, 1504, 1664, 1880, 2080, 2098, 2444, 2560, 3008, 3055, 3328, 3760, 4160, 4196, 4888, 5245, 6016, 6110, 6656, 7520, 8320, 8392, 9776, 10490, 12032, 12220, 13637, 15040, 16640, 16784, 19552, 20980, 24064, 24440, 27274, 30080, 33280, 33568, 39104, 41960, 48880, 49303, 54548, 60160, 67136, 68185, 78208, 83920, 97760, 98606, 109096, 120320, 134272, 136370, 156416, 167840, 195520, 197212, 218192, 246515, 268544, 272740, 312832, 335680, 391040, 394424, 436384, 493030, 537088, 545480, 640939, 671360, 782080, 788848, 872768, 986060, 1090960, 1281878, 1342720, 1564160, 1577696, 1745536, 1972120, 2181920, 2563756, 2685440, 3155392, 3204695, 3491072, 3944240, 4363840, 5127512, 6310784, 6409390, 6982144, 7888480, 8727680, 10255024, 12621568, 12818780, 15776960, 17455360, 20510048, 25243136, 25637560, 31553920, 34910720, 41020096, 51275120, 63107840, 82040192, 102550240, 126215680, 164080384, 205100480, 328160768, 410200960, 820401920, 1640803840]

約数ペア:

[(1, 1640803840), (2, 820401920), (4, 410200960), (5, 328160768), (8, 205100480), (10, 164080384), (13, 126215680), (16, 102550240), (20, 82040192), (26, 63107840), (32, 51275120), (40, 41020096), (47, 34910720), (52, 31553920), (64, 25637560), (65, 25243136), (80, 20510048), (94, 17455360), (104, 15776960), (128, 12818780), (130, 12621568), (160, 10255024), (188, 8727680), (208, 7888480), (235, 6982144), (256, 6409390), (260, 6310784), (320, 5127512), (376, 4363840), (416, 3944240), (470, 3491072), (512, 3204695), (520, 3155392), (611, 2685440), (640, 2563756), (752, 2181920), (832, 1972120), (940, 1745536), (1040, 1577696), (1049, 1564160), (1222, 1342720), (1280, 1281878), (1504, 1090960), (1664, 986060), (1880, 872768), (2080, 788848), (2098, 782080), (2444, 671360), (2560, 640939), (3008, 545480), (3055, 537088), (3328, 493030), (3760, 436384), (4160, 394424), (4196, 391040), (4888, 335680), (5245, 312832), (6016, 272740), (6110, 268544), (6656, 246515), (7520, 218192), (8320, 197212), (8392, 195520), (9776, 167840), (10490, 156416), (12032, 136370), (12220, 134272), (13637, 120320), (15040, 109096), (16640, 98606), (16784, 97760), (19552, 83920), (20980, 78208), (24064, 68185), (24440, 67136), (27274, 60160), (30080, 54548), (33280, 49303), (33568, 48880), (39104, 41960)]