278736640

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2393}}^1$

素因数の和:2434

約数の個数: 144

約数和(自身を含む): 822080448

約数和(自身を除く): 543343808

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 256, 260, 280, 320, 364, 416, 448, 455, 520, 560, 640, 728, 832, 896, 910, 1040, 1120, 1280, 1456, 1664, 1792, 1820, 2080, 2240, 2393, 2912, 3328, 3640, 4160, 4480, 4786, 5824, 7280, 8320, 8960, 9572, 11648, 11965, 14560, 16640, 16751, 19144, 23296, 23930, 29120, 31109, 33502, 38288, 47860, 58240, 62218, 67004, 76576, 83755, 95720, 116480, 124436, 134008, 153152, 155545, 167510, 191440, 217763, 248872, 268016, 306304, 311090, 335020, 382880, 435526, 497744, 536032, 612608, 622180, 670040, 765760, 871052, 995488, 1072064, 1088815, 1244360, 1340080, 1531520, 1742104, 1990976, 2144128, 2177630, 2488720, 2680160, 3063040, 3484208, 3981952, 4288256, 4355260, 4977440, 5360320, 6968416, 7963904, 8710520, 9954880, 10720640, 13936832, 17421040, 19909760, 21441280, 27873664, 34842080, 39819520, 55747328, 69684160, 139368320, 278736640]

約数ペア:

[(1, 278736640), (2, 139368320), (4, 69684160), (5, 55747328), (7, 39819520), (8, 34842080), (10, 27873664), (13, 21441280), (14, 19909760), (16, 17421040), (20, 13936832), (26, 10720640), (28, 9954880), (32, 8710520), (35, 7963904), (40, 6968416), (52, 5360320), (56, 4977440), (64, 4355260), (65, 4288256), (70, 3981952), (80, 3484208), (91, 3063040), (104, 2680160), (112, 2488720), (128, 2177630), (130, 2144128), (140, 1990976), (160, 1742104), (182, 1531520), (208, 1340080), (224, 1244360), (256, 1088815), (260, 1072064), (280, 995488), (320, 871052), (364, 765760), (416, 670040), (448, 622180), (455, 612608), (520, 536032), (560, 497744), (640, 435526), (728, 382880), (832, 335020), (896, 311090), (910, 306304), (1040, 268016), (1120, 248872), (1280, 217763), (1456, 191440), (1664, 167510), (1792, 155545), (1820, 153152), (2080, 134008), (2240, 124436), (2393, 116480), (2912, 95720), (3328, 83755), (3640, 76576), (4160, 67004), (4480, 62218), (4786, 58240), (5824, 47860), (7280, 38288), (8320, 33502), (8960, 31109), (9572, 29120), (11648, 23930), (11965, 23296), (14560, 19144), (16640, 16751)]