220857840

素因数分解:

$2^4\times 3^6\times 5^1\times 7^1\times {\mathrm{541}}^1$

素因数の和:579

約数の個数: 280

約数和(自身を含む): 881500128

約数和(自身を除く): 660642288

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 162, 168, 180, 189, 210, 216, 240, 243, 252, 270, 280, 315, 324, 336, 360, 378, 405, 420, 432, 486, 504, 540, 541, 560, 567, 630, 648, 720, 729, 756, 810, 840, 945, 972, 1008, 1080, 1082, 1134, 1215, 1260, 1296, 1458, 1512, 1620, 1623, 1680, 1701, 1890, 1944, 2160, 2164, 2268, 2430, 2520, 2705, 2835, 2916, 3024, 3240, 3246, 3402, 3645, 3780, 3787, 3888, 4328, 4536, 4860, 4869, 5040, 5103, 5410, 5670, 5832, 6480, 6492, 6804, 7290, 7560, 7574, 8115, 8505, 8656, 9072, 9720, 9738, 10206, 10820, 11340, 11361, 11664, 12984, 13608, 14580, 14607, 15120, 15148, 16230, 17010, 18935, 19440, 19476, 20412, 21640, 22680, 22722, 24345, 25515, 25968, 27216, 29160, 29214, 30296, 32460, 34020, 34083, 37870, 38952, 40824, 43280, 43821, 45360, 45444, 48690, 51030, 56805, 58320, 58428, 60592, 64920, 68040, 68166, 73035, 75740, 77904, 81648, 87642, 90888, 97380, 102060, 102249, 113610, 116856, 129840, 131463, 136080, 136332, 146070, 151480, 170415, 175284, 181776, 194760, 204120, 204498, 219105, 227220, 233712, 262926, 272664, 292140, 302960, 306747, 340830, 350568, 389520, 394389, 408240, 408996, 438210, 454440, 511245, 525852, 545328, 584280, 613494, 657315, 681660, 701136, 788778, 817992, 876420, 908880, 920241, 1022490, 1051704, 1168560, 1226988, 1314630, 1363320, 1533735, 1577556, 1635984, 1752840, 1840482, 1971945, 2044980, 2103408, 2453976, 2629260, 2726640, 2760723, 3067470, 3155112, 3505680, 3680964, 3943890, 4089960, 4601205, 4907952, 5258520, 5521446, 6134940, 6310224, 7361928, 7887780, 8179920, 9202410, 10517040, 11042892, 12269880, 13803615, 14723856, 15775560, 18404820, 22085784, 24539760, 27607230, 31551120, 36809640, 44171568, 55214460, 73619280, 110428920, 220857840]

約数ペア:

[(1, 220857840), (2, 110428920), (3, 73619280), (4, 55214460), (5, 44171568), (6, 36809640), (7, 31551120), (8, 27607230), (9, 24539760), (10, 22085784), (12, 18404820), (14, 15775560), (15, 14723856), (16, 13803615), (18, 12269880), (20, 11042892), (21, 10517040), (24, 9202410), (27, 8179920), (28, 7887780), (30, 7361928), (35, 6310224), (36, 6134940), (40, 5521446), (42, 5258520), (45, 4907952), (48, 4601205), (54, 4089960), (56, 3943890), (60, 3680964), (63, 3505680), (70, 3155112), (72, 3067470), (80, 2760723), (81, 2726640), (84, 2629260), (90, 2453976), (105, 2103408), (108, 2044980), (112, 1971945), (120, 1840482), (126, 1752840), (135, 1635984), (140, 1577556), (144, 1533735), (162, 1363320), (168, 1314630), (180, 1226988), (189, 1168560), (210, 1051704), (216, 1022490), (240, 920241), (243, 908880), (252, 876420), (270, 817992), (280, 788778), (315, 701136), (324, 681660), (336, 657315), (360, 613494), (378, 584280), (405, 545328), (420, 525852), (432, 511245), (486, 454440), (504, 438210), (540, 408996), (541, 408240), (560, 394389), (567, 389520), (630, 350568), (648, 340830), (720, 306747), (729, 302960), (756, 292140), (810, 272664), (840, 262926), (945, 233712), (972, 227220), (1008, 219105), (1080, 204498), (1082, 204120), (1134, 194760), (1215, 181776), (1260, 175284), (1296, 170415), (1458, 151480), (1512, 146070), (1620, 136332), (1623, 136080), (1680, 131463), (1701, 129840), (1890, 116856), (1944, 113610), (2160, 102249), (2164, 102060), (2268, 97380), (2430, 90888), (2520, 87642), (2705, 81648), (2835, 77904), (2916, 75740), (3024, 73035), (3240, 68166), (3246, 68040), (3402, 64920), (3645, 60592), (3780, 58428), (3787, 58320), (3888, 56805), (4328, 51030), (4536, 48690), (4860, 45444), (4869, 45360), (5040, 43821), (5103, 43280), (5410, 40824), (5670, 38952), (5832, 37870), (6480, 34083), (6492, 34020), (6804, 32460), (7290, 30296), (7560, 29214), (7574, 29160), (8115, 27216), (8505, 25968), (8656, 25515), (9072, 24345), (9720, 22722), (9738, 22680), (10206, 21640), (10820, 20412), (11340, 19476), (11361, 19440), (11664, 18935), (12984, 17010), (13608, 16230), (14580, 15148), (14607, 15120)]