49880320

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1$

素因数の和:340

約数の個数: 144

約数和(自身を含む): 144224640

約数和(自身を除く): 94344320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 152, 160, 190, 224, 256, 266, 280, 293, 304, 320, 380, 448, 532, 560, 586, 608, 640, 665, 760, 896, 1064, 1120, 1172, 1216, 1280, 1330, 1465, 1520, 1792, 2051, 2128, 2240, 2344, 2432, 2660, 2930, 3040, 4102, 4256, 4480, 4688, 4864, 5320, 5567, 5860, 6080, 8204, 8512, 8960, 9376, 10255, 10640, 11134, 11720, 12160, 16408, 17024, 18752, 20510, 21280, 22268, 23440, 24320, 27835, 32816, 34048, 37504, 38969, 41020, 42560, 44536, 46880, 55670, 65632, 75008, 77938, 82040, 85120, 89072, 93760, 111340, 131264, 155876, 164080, 170240, 178144, 187520, 194845, 222680, 262528, 311752, 328160, 356288, 375040, 389690, 445360, 525056, 623504, 656320, 712576, 779380, 890720, 1247008, 1312640, 1425152, 1558760, 1781440, 2494016, 2625280, 3117520, 3562880, 4988032, 6235040, 7125760, 9976064, 12470080, 24940160, 49880320]

約数ペア:

[(1, 49880320), (2, 24940160), (4, 12470080), (5, 9976064), (7, 7125760), (8, 6235040), (10, 4988032), (14, 3562880), (16, 3117520), (19, 2625280), (20, 2494016), (28, 1781440), (32, 1558760), (35, 1425152), (38, 1312640), (40, 1247008), (56, 890720), (64, 779380), (70, 712576), (76, 656320), (80, 623504), (95, 525056), (112, 445360), (128, 389690), (133, 375040), (140, 356288), (152, 328160), (160, 311752), (190, 262528), (224, 222680), (256, 194845), (266, 187520), (280, 178144), (293, 170240), (304, 164080), (320, 155876), (380, 131264), (448, 111340), (532, 93760), (560, 89072), (586, 85120), (608, 82040), (640, 77938), (665, 75008), (760, 65632), (896, 55670), (1064, 46880), (1120, 44536), (1172, 42560), (1216, 41020), (1280, 38969), (1330, 37504), (1465, 34048), (1520, 32816), (1792, 27835), (2051, 24320), (2128, 23440), (2240, 22268), (2344, 21280), (2432, 20510), (2660, 18752), (2930, 17024), (3040, 16408), (4102, 12160), (4256, 11720), (4480, 11134), (4688, 10640), (4864, 10255), (5320, 9376), (5567, 8960), (5860, 8512), (6080, 8204)]