18513877120

素因数分解:

$2^7\times 5^1\times {\mathrm{127}}^1\times {\mathrm{379}}^1\times {\mathrm{601}}^1$

素因数の和:1126

約数の個数: 128

約数和(自身を含む): 44800358400

約数和(自身を除く): 26286481280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 320, 379, 508, 601, 635, 640, 758, 1016, 1202, 1270, 1516, 1895, 2032, 2404, 2540, 3005, 3032, 3790, 4064, 4808, 5080, 6010, 6064, 7580, 8128, 9616, 10160, 12020, 12128, 15160, 16256, 19232, 20320, 24040, 24256, 30320, 38464, 40640, 48080, 48133, 48512, 60640, 76327, 76928, 81280, 96160, 96266, 121280, 152654, 192320, 192532, 227779, 240665, 242560, 305308, 381635, 384640, 385064, 455558, 481330, 610616, 763270, 770128, 911116, 962660, 1138895, 1221232, 1526540, 1540256, 1822232, 1925320, 2277790, 2442464, 3053080, 3080512, 3644464, 3850640, 4555580, 4884928, 6106160, 6161024, 7288928, 7701280, 9111160, 9769856, 12212320, 14577856, 15402560, 18222320, 24424640, 28927933, 29155712, 30805120, 36444640, 48849280, 57855866, 72889280, 115711732, 144639665, 145778560, 231423464, 289279330, 462846928, 578558660, 925693856, 1157117320, 1851387712, 2314234640, 3702775424, 4628469280, 9256938560, 18513877120]

約数ペア:

[(1, 18513877120), (2, 9256938560), (4, 4628469280), (5, 3702775424), (8, 2314234640), (10, 1851387712), (16, 1157117320), (20, 925693856), (32, 578558660), (40, 462846928), (64, 289279330), (80, 231423464), (127, 145778560), (128, 144639665), (160, 115711732), (254, 72889280), (320, 57855866), (379, 48849280), (508, 36444640), (601, 30805120), (635, 29155712), (640, 28927933), (758, 24424640), (1016, 18222320), (1202, 15402560), (1270, 14577856), (1516, 12212320), (1895, 9769856), (2032, 9111160), (2404, 7701280), (2540, 7288928), (3005, 6161024), (3032, 6106160), (3790, 4884928), (4064, 4555580), (4808, 3850640), (5080, 3644464), (6010, 3080512), (6064, 3053080), (7580, 2442464), (8128, 2277790), (9616, 1925320), (10160, 1822232), (12020, 1540256), (12128, 1526540), (15160, 1221232), (16256, 1138895), (19232, 962660), (20320, 911116), (24040, 770128), (24256, 763270), (30320, 610616), (38464, 481330), (40640, 455558), (48080, 385064), (48133, 384640), (48512, 381635), (60640, 305308), (76327, 242560), (76928, 240665), (81280, 227779), (96160, 192532), (96266, 192320), (121280, 152654)]