20113979520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{601}}^1\times {\mathrm{17431}}^1$

素因数の和:18054

約数の個数: 128

約数和(自身を含む): 64223671680

約数和(自身を除く): 44109692160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 601, 640, 960, 1202, 1803, 1920, 2404, 3005, 3606, 4808, 6010, 7212, 9015, 9616, 12020, 14424, 17431, 18030, 19232, 24040, 28848, 34862, 36060, 38464, 48080, 52293, 57696, 69724, 72120, 76928, 87155, 96160, 104586, 115392, 139448, 144240, 174310, 192320, 209172, 230784, 261465, 278896, 288480, 348620, 384640, 418344, 522930, 557792, 576960, 697240, 836688, 1045860, 1115584, 1153920, 1394480, 1673376, 2091720, 2231168, 2788960, 3346752, 4183440, 5577920, 6693504, 8366880, 10476031, 11155840, 16733760, 20952062, 31428093, 33467520, 41904124, 52380155, 62856186, 83808248, 104760310, 125712372, 157140465, 167616496, 209520620, 251424744, 314280930, 335232992, 419041240, 502849488, 628561860, 670465984, 838082480, 1005698976, 1257123720, 1340931968, 1676164960, 2011397952, 2514247440, 3352329920, 4022795904, 5028494880, 6704659840, 10056989760, 20113979520]

約数ペア:

[(1, 20113979520), (2, 10056989760), (3, 6704659840), (4, 5028494880), (5, 4022795904), (6, 3352329920), (8, 2514247440), (10, 2011397952), (12, 1676164960), (15, 1340931968), (16, 1257123720), (20, 1005698976), (24, 838082480), (30, 670465984), (32, 628561860), (40, 502849488), (48, 419041240), (60, 335232992), (64, 314280930), (80, 251424744), (96, 209520620), (120, 167616496), (128, 157140465), (160, 125712372), (192, 104760310), (240, 83808248), (320, 62856186), (384, 52380155), (480, 41904124), (601, 33467520), (640, 31428093), (960, 20952062), (1202, 16733760), (1803, 11155840), (1920, 10476031), (2404, 8366880), (3005, 6693504), (3606, 5577920), (4808, 4183440), (6010, 3346752), (7212, 2788960), (9015, 2231168), (9616, 2091720), (12020, 1673376), (14424, 1394480), (17431, 1153920), (18030, 1115584), (19232, 1045860), (24040, 836688), (28848, 697240), (34862, 576960), (36060, 557792), (38464, 522930), (48080, 418344), (52293, 384640), (57696, 348620), (69724, 288480), (72120, 278896), (76928, 261465), (87155, 230784), (96160, 209172), (104586, 192320), (115392, 174310), (139448, 144240)]