31193638400

素因数分解:

$2^9\times 5^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{619}}^1$

素因数の和:805

約数の個数: 240

約数和(自身を含む): 80535797760

約数和(自身を除く): 49342159360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 127, 128, 155, 160, 200, 248, 254, 256, 310, 320, 400, 496, 508, 512, 619, 620, 635, 640, 775, 800, 992, 1016, 1238, 1240, 1270, 1280, 1550, 1600, 1984, 2032, 2476, 2480, 2540, 2560, 3095, 3100, 3175, 3200, 3937, 3968, 4064, 4952, 4960, 5080, 6190, 6200, 6350, 6400, 7874, 7936, 8128, 9904, 9920, 10160, 12380, 12400, 12700, 12800, 15475, 15748, 15872, 16256, 19189, 19685, 19808, 19840, 20320, 24760, 24800, 25400, 30950, 31496, 32512, 38378, 39370, 39616, 39680, 40640, 49520, 49600, 50800, 61900, 62992, 65024, 76756, 78613, 78740, 79232, 79360, 81280, 95945, 98425, 99040, 99200, 101600, 123800, 125984, 153512, 157226, 157480, 158464, 162560, 191890, 196850, 198080, 198400, 203200, 247600, 251968, 307024, 314452, 314960, 316928, 325120, 383780, 393065, 393700, 396160, 396800, 406400, 479725, 495200, 503936, 614048, 628904, 629920, 767560, 786130, 787400, 792320, 812800, 959450, 990400, 1007872, 1228096, 1257808, 1259840, 1535120, 1572260, 1574800, 1584640, 1625600, 1918900, 1965325, 1980800, 2015744, 2437003, 2456192, 2515616, 2519680, 3070240, 3144520, 3149600, 3837800, 3930650, 3961600, 4874006, 4912384, 5031232, 5039360, 6140480, 6289040, 6299200, 7675600, 7861300, 7923200, 9748012, 9824768, 10062464, 10078720, 12185015, 12280960, 12578080, 12598400, 15351200, 15722600, 19496024, 20124928, 24370030, 24561920, 25156160, 25196800, 30702400, 31445200, 38992048, 40249856, 48740060, 49123840, 50312320, 50393600, 60925075, 61404800, 62890400, 77984096, 97480120, 100624640, 121850150, 122809600, 125780800, 155968192, 194960240, 201249280, 243700300, 245619200, 251561600, 311936384, 389920480, 487400600, 503123200, 623872768, 779840960, 974801200, 1006246400, 1247745536, 1559681920, 1949602400, 3119363840, 3899204800, 6238727680, 7798409600, 15596819200, 31193638400]

約数ペア:

[(1, 31193638400), (2, 15596819200), (4, 7798409600), (5, 6238727680), (8, 3899204800), (10, 3119363840), (16, 1949602400), (20, 1559681920), (25, 1247745536), (31, 1006246400), (32, 974801200), (40, 779840960), (50, 623872768), (62, 503123200), (64, 487400600), (80, 389920480), (100, 311936384), (124, 251561600), (127, 245619200), (128, 243700300), (155, 201249280), (160, 194960240), (200, 155968192), (248, 125780800), (254, 122809600), (256, 121850150), (310, 100624640), (320, 97480120), (400, 77984096), (496, 62890400), (508, 61404800), (512, 60925075), (619, 50393600), (620, 50312320), (635, 49123840), (640, 48740060), (775, 40249856), (800, 38992048), (992, 31445200), (1016, 30702400), (1238, 25196800), (1240, 25156160), (1270, 24561920), (1280, 24370030), (1550, 20124928), (1600, 19496024), (1984, 15722600), (2032, 15351200), (2476, 12598400), (2480, 12578080), (2540, 12280960), (2560, 12185015), (3095, 10078720), (3100, 10062464), (3175, 9824768), (3200, 9748012), (3937, 7923200), (3968, 7861300), (4064, 7675600), (4952, 6299200), (4960, 6289040), (5080, 6140480), (6190, 5039360), (6200, 5031232), (6350, 4912384), (6400, 4874006), (7874, 3961600), (7936, 3930650), (8128, 3837800), (9904, 3149600), (9920, 3144520), (10160, 3070240), (12380, 2519680), (12400, 2515616), (12700, 2456192), (12800, 2437003), (15475, 2015744), (15748, 1980800), (15872, 1965325), (16256, 1918900), (19189, 1625600), (19685, 1584640), (19808, 1574800), (19840, 1572260), (20320, 1535120), (24760, 1259840), (24800, 1257808), (25400, 1228096), (30950, 1007872), (31496, 990400), (32512, 959450), (38378, 812800), (39370, 792320), (39616, 787400), (39680, 786130), (40640, 767560), (49520, 629920), (49600, 628904), (50800, 614048), (61900, 503936), (62992, 495200), (65024, 479725), (76756, 406400), (78613, 396800), (78740, 396160), (79232, 393700), (79360, 393065), (81280, 383780), (95945, 325120), (98425, 316928), (99040, 314960), (99200, 314452), (101600, 307024), (123800, 251968), (125984, 247600), (153512, 203200), (157226, 198400), (157480, 198080), (158464, 196850), (162560, 191890)]