78977280

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:312

約数の個数: 144

約数和(自身を含む): 255777984

約数和(自身を除く): 176800704

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, 131, 157, 160, 192, 240, 256, 262, 314, 320, 384, 393, 471, 480, 524, 628, 640, 655, 768, 785, 786, 942, 960, 1048, 1256, 1280, 1310, 1570, 1572, 1884, 1920, 1965, 2096, 2355, 2512, 2620, 3140, 3144, 3768, 3840, 3930, 4192, 4710, 5024, 5240, 6280, 6288, 7536, 7860, 8384, 9420, 10048, 10480, 12560, 12576, 15072, 15720, 16768, 18840, 20096, 20567, 20960, 25120, 25152, 30144, 31440, 33536, 37680, 40192, 41134, 41920, 50240, 50304, 60288, 61701, 62880, 75360, 82268, 83840, 100480, 100608, 102835, 120576, 123402, 125760, 150720, 164536, 167680, 200960, 205670, 246804, 251520, 301440, 308505, 329072, 411340, 493608, 503040, 602880, 617010, 658144, 822680, 987216, 1234020, 1316288, 1645360, 1974432, 2468040, 2632576, 3290720, 3948864, 4936080, 5265152, 6581440, 7897728, 9872160, 13162880, 15795456, 19744320, 26325760, 39488640, 78977280]

約数ペア:

[(1, 78977280), (2, 39488640), (3, 26325760), (4, 19744320), (5, 15795456), (6, 13162880), (8, 9872160), (10, 7897728), (12, 6581440), (15, 5265152), (16, 4936080), (20, 3948864), (24, 3290720), (30, 2632576), (32, 2468040), (40, 1974432), (48, 1645360), (60, 1316288), (64, 1234020), (80, 987216), (96, 822680), (120, 658144), (128, 617010), (131, 602880), (157, 503040), (160, 493608), (192, 411340), (240, 329072), (256, 308505), (262, 301440), (314, 251520), (320, 246804), (384, 205670), (393, 200960), (471, 167680), (480, 164536), (524, 150720), (628, 125760), (640, 123402), (655, 120576), (768, 102835), (785, 100608), (786, 100480), (942, 83840), (960, 82268), (1048, 75360), (1256, 62880), (1280, 61701), (1310, 60288), (1570, 50304), (1572, 50240), (1884, 41920), (1920, 41134), (1965, 40192), (2096, 37680), (2355, 33536), (2512, 31440), (2620, 30144), (3140, 25152), (3144, 25120), (3768, 20960), (3840, 20567), (3930, 20096), (4192, 18840), (4710, 16768), (5024, 15720), (5240, 15072), (6280, 12576), (6288, 12560), (7536, 10480), (7860, 10048), (8384, 9420)]