78983040

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1327}}^1$

素因数の和:1380

約数の個数: 128

約数和(自身を含む): 260075520

約数和(自身を除く): 181092480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 310, 320, 372, 384, 465, 480, 496, 620, 640, 744, 930, 960, 992, 1240, 1327, 1488, 1860, 1920, 1984, 2480, 2654, 2976, 3720, 3968, 3981, 4960, 5308, 5952, 6635, 7440, 7962, 9920, 10616, 11904, 13270, 14880, 15924, 19840, 19905, 21232, 26540, 29760, 31848, 39810, 41137, 42464, 53080, 59520, 63696, 79620, 82274, 84928, 106160, 123411, 127392, 159240, 164548, 169856, 205685, 212320, 246822, 254784, 318480, 329096, 411370, 424640, 493644, 509568, 617055, 636960, 658192, 822740, 849280, 987288, 1234110, 1273920, 1316384, 1645480, 1974576, 2468220, 2547840, 2632768, 3290960, 3949152, 4936440, 5265536, 6581920, 7898304, 9872880, 13163840, 15796608, 19745760, 26327680, 39491520, 78983040]

約数ペア:

[(1, 78983040), (2, 39491520), (3, 26327680), (4, 19745760), (5, 15796608), (6, 13163840), (8, 9872880), (10, 7898304), (12, 6581920), (15, 5265536), (16, 4936440), (20, 3949152), (24, 3290960), (30, 2632768), (31, 2547840), (32, 2468220), (40, 1974576), (48, 1645480), (60, 1316384), (62, 1273920), (64, 1234110), (80, 987288), (93, 849280), (96, 822740), (120, 658192), (124, 636960), (128, 617055), (155, 509568), (160, 493644), (186, 424640), (192, 411370), (240, 329096), (248, 318480), (310, 254784), (320, 246822), (372, 212320), (384, 205685), (465, 169856), (480, 164548), (496, 159240), (620, 127392), (640, 123411), (744, 106160), (930, 84928), (960, 82274), (992, 79620), (1240, 63696), (1327, 59520), (1488, 53080), (1860, 42464), (1920, 41137), (1984, 39810), (2480, 31848), (2654, 29760), (2976, 26540), (3720, 21232), (3968, 19905), (3981, 19840), (4960, 15924), (5308, 14880), (5952, 13270), (6635, 11904), (7440, 10616), (7962, 9920)]