78387840

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:495

約数の個数: 192

約数和(自身を含む): 280051200

約数和(自身を除く): 201663360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 64, 72, 80, 90, 93, 96, 120, 124, 128, 144, 155, 160, 180, 186, 192, 240, 248, 279, 288, 310, 320, 360, 372, 384, 439, 465, 480, 496, 558, 576, 620, 640, 720, 744, 878, 930, 960, 992, 1116, 1152, 1240, 1317, 1395, 1440, 1488, 1756, 1860, 1920, 1984, 2195, 2232, 2480, 2634, 2790, 2880, 2976, 3512, 3720, 3951, 3968, 4390, 4464, 4960, 5268, 5580, 5760, 5952, 6585, 7024, 7440, 7902, 8780, 8928, 9920, 10536, 11160, 11904, 13170, 13609, 14048, 14880, 15804, 17560, 17856, 19755, 19840, 21072, 22320, 26340, 27218, 28096, 29760, 31608, 35120, 35712, 39510, 40827, 42144, 44640, 52680, 54436, 56192, 59520, 63216, 68045, 70240, 79020, 81654, 84288, 89280, 105360, 108872, 122481, 126432, 136090, 140480, 158040, 163308, 168576, 178560, 204135, 210720, 217744, 244962, 252864, 272180, 280960, 316080, 326616, 408270, 421440, 435488, 489924, 505728, 544360, 612405, 632160, 653232, 816540, 842880, 870976, 979848, 1088720, 1224810, 1264320, 1306464, 1633080, 1741952, 1959696, 2177440, 2449620, 2528640, 2612928, 3266160, 3919392, 4354880, 4899240, 5225856, 6532320, 7838784, 8709760, 9798480, 13064640, 15677568, 19596960, 26129280, 39193920, 78387840]

約数ペア:

[(1, 78387840), (2, 39193920), (3, 26129280), (4, 19596960), (5, 15677568), (6, 13064640), (8, 9798480), (9, 8709760), (10, 7838784), (12, 6532320), (15, 5225856), (16, 4899240), (18, 4354880), (20, 3919392), (24, 3266160), (30, 2612928), (31, 2528640), (32, 2449620), (36, 2177440), (40, 1959696), (45, 1741952), (48, 1633080), (60, 1306464), (62, 1264320), (64, 1224810), (72, 1088720), (80, 979848), (90, 870976), (93, 842880), (96, 816540), (120, 653232), (124, 632160), (128, 612405), (144, 544360), (155, 505728), (160, 489924), (180, 435488), (186, 421440), (192, 408270), (240, 326616), (248, 316080), (279, 280960), (288, 272180), (310, 252864), (320, 244962), (360, 217744), (372, 210720), (384, 204135), (439, 178560), (465, 168576), (480, 163308), (496, 158040), (558, 140480), (576, 136090), (620, 126432), (640, 122481), (720, 108872), (744, 105360), (878, 89280), (930, 84288), (960, 81654), (992, 79020), (1116, 70240), (1152, 68045), (1240, 63216), (1317, 59520), (1395, 56192), (1440, 54436), (1488, 52680), (1756, 44640), (1860, 42144), (1920, 40827), (1984, 39510), (2195, 35712), (2232, 35120), (2480, 31608), (2634, 29760), (2790, 28096), (2880, 27218), (2976, 26340), (3512, 22320), (3720, 21072), (3951, 19840), (3968, 19755), (4390, 17856), (4464, 17560), (4960, 15804), (5268, 14880), (5580, 14048), (5760, 13609), (5952, 13170), (6585, 11904), (7024, 11160), (7440, 10536), (7902, 9920), (8780, 8928)]