80261280

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{563}}^1$

素因数の和:601

約数の個数: 240

約数和(自身を含む): 309554784

約数和(自身を除く): 229293504

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 32, 33, 36, 40, 44, 45, 48, 54, 55, 60, 66, 72, 80, 81, 88, 90, 96, 99, 108, 110, 120, 132, 135, 144, 160, 162, 165, 176, 180, 198, 216, 220, 240, 264, 270, 288, 297, 324, 330, 352, 360, 396, 405, 432, 440, 480, 495, 528, 540, 563, 594, 648, 660, 720, 792, 810, 864, 880, 891, 990, 1056, 1080, 1126, 1188, 1296, 1320, 1440, 1485, 1584, 1620, 1689, 1760, 1782, 1980, 2160, 2252, 2376, 2592, 2640, 2815, 2970, 3168, 3240, 3378, 3564, 3960, 4320, 4455, 4504, 4752, 5067, 5280, 5630, 5940, 6193, 6480, 6756, 7128, 7920, 8445, 8910, 9008, 9504, 10134, 11260, 11880, 12386, 12960, 13512, 14256, 15201, 15840, 16890, 17820, 18016, 18579, 20268, 22520, 23760, 24772, 25335, 27024, 28512, 30402, 30965, 33780, 35640, 37158, 40536, 45040, 45603, 47520, 49544, 50670, 54048, 55737, 60804, 61930, 67560, 71280, 74316, 76005, 81072, 90080, 91206, 92895, 99088, 101340, 111474, 121608, 123860, 135120, 142560, 148632, 152010, 162144, 167211, 182412, 185790, 198176, 202680, 222948, 228015, 243216, 247720, 270240, 278685, 297264, 304020, 334422, 364824, 371580, 405360, 445896, 456030, 486432, 495440, 501633, 557370, 594528, 608040, 668844, 729648, 743160, 810720, 836055, 891792, 912060, 990880, 1003266, 1114740, 1216080, 1337688, 1459296, 1486320, 1672110, 1783584, 1824120, 2006532, 2229480, 2432160, 2508165, 2675376, 2972640, 3344220, 3648240, 4013064, 4458960, 5016330, 5350752, 6688440, 7296480, 8026128, 8917920, 10032660, 13376880, 16052256, 20065320, 26753760, 40130640, 80261280]

約数ペア:

[(1, 80261280), (2, 40130640), (3, 26753760), (4, 20065320), (5, 16052256), (6, 13376880), (8, 10032660), (9, 8917920), (10, 8026128), (11, 7296480), (12, 6688440), (15, 5350752), (16, 5016330), (18, 4458960), (20, 4013064), (22, 3648240), (24, 3344220), (27, 2972640), (30, 2675376), (32, 2508165), (33, 2432160), (36, 2229480), (40, 2006532), (44, 1824120), (45, 1783584), (48, 1672110), (54, 1486320), (55, 1459296), (60, 1337688), (66, 1216080), (72, 1114740), (80, 1003266), (81, 990880), (88, 912060), (90, 891792), (96, 836055), (99, 810720), (108, 743160), (110, 729648), (120, 668844), (132, 608040), (135, 594528), (144, 557370), (160, 501633), (162, 495440), (165, 486432), (176, 456030), (180, 445896), (198, 405360), (216, 371580), (220, 364824), (240, 334422), (264, 304020), (270, 297264), (288, 278685), (297, 270240), (324, 247720), (330, 243216), (352, 228015), (360, 222948), (396, 202680), (405, 198176), (432, 185790), (440, 182412), (480, 167211), (495, 162144), (528, 152010), (540, 148632), (563, 142560), (594, 135120), (648, 123860), (660, 121608), (720, 111474), (792, 101340), (810, 99088), (864, 92895), (880, 91206), (891, 90080), (990, 81072), (1056, 76005), (1080, 74316), (1126, 71280), (1188, 67560), (1296, 61930), (1320, 60804), (1440, 55737), (1485, 54048), (1584, 50670), (1620, 49544), (1689, 47520), (1760, 45603), (1782, 45040), (1980, 40536), (2160, 37158), (2252, 35640), (2376, 33780), (2592, 30965), (2640, 30402), (2815, 28512), (2970, 27024), (3168, 25335), (3240, 24772), (3378, 23760), (3564, 22520), (3960, 20268), (4320, 18579), (4455, 18016), (4504, 17820), (4752, 16890), (5067, 15840), (5280, 15201), (5630, 14256), (5940, 13512), (6193, 12960), (6480, 12386), (6756, 11880), (7128, 11260), (7920, 10134), (8445, 9504), (8910, 9008)]