80459520

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{911}}^1$

素因数の和:958

約数の個数: 144

約数和(自身を含む): 268434432

約数和(自身を除く): 187974912

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 128, 138, 160, 184, 192, 230, 240, 256, 276, 320, 345, 368, 384, 460, 480, 552, 640, 690, 736, 768, 911, 920, 960, 1104, 1280, 1380, 1472, 1822, 1840, 1920, 2208, 2733, 2760, 2944, 3644, 3680, 3840, 4416, 4555, 5466, 5520, 5888, 7288, 7360, 8832, 9110, 10932, 11040, 13665, 14576, 14720, 17664, 18220, 20953, 21864, 22080, 27330, 29152, 29440, 36440, 41906, 43728, 44160, 54660, 58304, 62859, 72880, 83812, 87456, 88320, 104765, 109320, 116608, 125718, 145760, 167624, 174912, 209530, 218640, 233216, 251436, 291520, 314295, 335248, 349824, 419060, 437280, 502872, 583040, 628590, 670496, 699648, 838120, 874560, 1005744, 1166080, 1257180, 1340992, 1676240, 1749120, 2011488, 2514360, 2681984, 3352480, 3498240, 4022976, 5028720, 5363968, 6704960, 8045952, 10057440, 13409920, 16091904, 20114880, 26819840, 40229760, 80459520]

約数ペア:

[(1, 80459520), (2, 40229760), (3, 26819840), (4, 20114880), (5, 16091904), (6, 13409920), (8, 10057440), (10, 8045952), (12, 6704960), (15, 5363968), (16, 5028720), (20, 4022976), (23, 3498240), (24, 3352480), (30, 2681984), (32, 2514360), (40, 2011488), (46, 1749120), (48, 1676240), (60, 1340992), (64, 1257180), (69, 1166080), (80, 1005744), (92, 874560), (96, 838120), (115, 699648), (120, 670496), (128, 628590), (138, 583040), (160, 502872), (184, 437280), (192, 419060), (230, 349824), (240, 335248), (256, 314295), (276, 291520), (320, 251436), (345, 233216), (368, 218640), (384, 209530), (460, 174912), (480, 167624), (552, 145760), (640, 125718), (690, 116608), (736, 109320), (768, 104765), (911, 88320), (920, 87456), (960, 83812), (1104, 72880), (1280, 62859), (1380, 58304), (1472, 54660), (1822, 44160), (1840, 43728), (1920, 41906), (2208, 36440), (2733, 29440), (2760, 29152), (2944, 27330), (3644, 22080), (3680, 21864), (3840, 20953), (4416, 18220), (4555, 17664), (5466, 14720), (5520, 14576), (5888, 13665), (7288, 11040), (7360, 10932), (8832, 9110)]