18887521280

素因数分解:

$2^{10}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{937}}^1$

素因数の和:1120

約数の個数: 176

約数和(自身を含む): 47188033536

約数和(自身を除く): 28300512256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 127, 128, 155, 160, 248, 254, 256, 310, 320, 496, 508, 512, 620, 635, 640, 937, 992, 1016, 1024, 1240, 1270, 1280, 1874, 1984, 2032, 2480, 2540, 2560, 3748, 3937, 3968, 4064, 4685, 4960, 5080, 5120, 7496, 7874, 7936, 8128, 9370, 9920, 10160, 14992, 15748, 15872, 16256, 18740, 19685, 19840, 20320, 29047, 29984, 31496, 31744, 32512, 37480, 39370, 39680, 40640, 58094, 59968, 62992, 65024, 74960, 78740, 79360, 81280, 116188, 118999, 119936, 125984, 130048, 145235, 149920, 157480, 158720, 162560, 232376, 237998, 239872, 251968, 290470, 299840, 314960, 325120, 464752, 475996, 479744, 503936, 580940, 594995, 599680, 629920, 650240, 929504, 951992, 959488, 1007872, 1161880, 1189990, 1199360, 1259840, 1859008, 1903984, 2015744, 2323760, 2379980, 2398720, 2519680, 3688969, 3718016, 3807968, 4031488, 4647520, 4759960, 4797440, 5039360, 7377938, 7436032, 7615936, 9295040, 9519920, 10078720, 14755876, 14872064, 15231872, 18444845, 18590080, 19039840, 20157440, 29511752, 29744128, 30463744, 36889690, 37180160, 38079680, 59023504, 60927488, 73779380, 74360320, 76159360, 118047008, 121854976, 147558760, 148720640, 152318720, 236094016, 295117520, 304637440, 472188032, 590235040, 609274880, 944376064, 1180470080, 1888752128, 2360940160, 3777504256, 4721880320, 9443760640, 18887521280]

約数ペア:

[(1, 18887521280), (2, 9443760640), (4, 4721880320), (5, 3777504256), (8, 2360940160), (10, 1888752128), (16, 1180470080), (20, 944376064), (31, 609274880), (32, 590235040), (40, 472188032), (62, 304637440), (64, 295117520), (80, 236094016), (124, 152318720), (127, 148720640), (128, 147558760), (155, 121854976), (160, 118047008), (248, 76159360), (254, 74360320), (256, 73779380), (310, 60927488), (320, 59023504), (496, 38079680), (508, 37180160), (512, 36889690), (620, 30463744), (635, 29744128), (640, 29511752), (937, 20157440), (992, 19039840), (1016, 18590080), (1024, 18444845), (1240, 15231872), (1270, 14872064), (1280, 14755876), (1874, 10078720), (1984, 9519920), (2032, 9295040), (2480, 7615936), (2540, 7436032), (2560, 7377938), (3748, 5039360), (3937, 4797440), (3968, 4759960), (4064, 4647520), (4685, 4031488), (4960, 3807968), (5080, 3718016), (5120, 3688969), (7496, 2519680), (7874, 2398720), (7936, 2379980), (8128, 2323760), (9370, 2015744), (9920, 1903984), (10160, 1859008), (14992, 1259840), (15748, 1199360), (15872, 1189990), (16256, 1161880), (18740, 1007872), (19685, 959488), (19840, 951992), (20320, 929504), (29047, 650240), (29984, 629920), (31496, 599680), (31744, 594995), (32512, 580940), (37480, 503936), (39370, 479744), (39680, 475996), (40640, 464752), (58094, 325120), (59968, 314960), (62992, 299840), (65024, 290470), (74960, 251968), (78740, 239872), (79360, 237998), (81280, 232376), (116188, 162560), (118999, 158720), (119936, 157480), (125984, 149920), (130048, 145235)]