221544720

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{179}}^1\times {\mathrm{191}}^1$

素因数の和:395

約数の個数: 200

約数和(自身を含む): 777807360

約数和(自身を除く): 556262640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 179, 180, 191, 216, 240, 270, 324, 358, 360, 382, 405, 432, 537, 540, 573, 648, 716, 720, 764, 810, 895, 955, 1074, 1080, 1146, 1296, 1432, 1528, 1611, 1620, 1719, 1790, 1910, 2148, 2160, 2292, 2685, 2864, 2865, 3056, 3222, 3240, 3438, 3580, 3820, 4296, 4584, 4833, 5157, 5370, 5730, 6444, 6480, 6876, 7160, 7640, 8055, 8592, 8595, 9168, 9666, 10314, 10740, 11460, 12888, 13752, 14320, 14499, 15280, 15471, 16110, 17190, 19332, 20628, 21480, 22920, 24165, 25776, 25785, 27504, 28998, 30942, 32220, 34189, 34380, 38664, 41256, 42960, 45840, 48330, 51570, 57996, 61884, 64440, 68378, 68760, 72495, 77328, 77355, 82512, 96660, 102567, 103140, 115992, 123768, 128880, 136756, 137520, 144990, 154710, 170945, 193320, 205134, 206280, 231984, 247536, 273512, 289980, 307701, 309420, 341890, 386640, 410268, 412560, 512835, 547024, 579960, 615402, 618840, 683780, 820536, 923103, 1025670, 1159920, 1230804, 1237680, 1367560, 1538505, 1641072, 1846206, 2051340, 2461608, 2735120, 2769309, 3077010, 3692412, 4102680, 4615515, 4923216, 5538618, 6154020, 7384824, 8205360, 9231030, 11077236, 12308040, 13846545, 14769648, 18462060, 22154472, 24616080, 27693090, 36924120, 44308944, 55386180, 73848240, 110772360, 221544720]

約数ペア:

[(1, 221544720), (2, 110772360), (3, 73848240), (4, 55386180), (5, 44308944), (6, 36924120), (8, 27693090), (9, 24616080), (10, 22154472), (12, 18462060), (15, 14769648), (16, 13846545), (18, 12308040), (20, 11077236), (24, 9231030), (27, 8205360), (30, 7384824), (36, 6154020), (40, 5538618), (45, 4923216), (48, 4615515), (54, 4102680), (60, 3692412), (72, 3077010), (80, 2769309), (81, 2735120), (90, 2461608), (108, 2051340), (120, 1846206), (135, 1641072), (144, 1538505), (162, 1367560), (179, 1237680), (180, 1230804), (191, 1159920), (216, 1025670), (240, 923103), (270, 820536), (324, 683780), (358, 618840), (360, 615402), (382, 579960), (405, 547024), (432, 512835), (537, 412560), (540, 410268), (573, 386640), (648, 341890), (716, 309420), (720, 307701), (764, 289980), (810, 273512), (895, 247536), (955, 231984), (1074, 206280), (1080, 205134), (1146, 193320), (1296, 170945), (1432, 154710), (1528, 144990), (1611, 137520), (1620, 136756), (1719, 128880), (1790, 123768), (1910, 115992), (2148, 103140), (2160, 102567), (2292, 96660), (2685, 82512), (2864, 77355), (2865, 77328), (3056, 72495), (3222, 68760), (3240, 68378), (3438, 64440), (3580, 61884), (3820, 57996), (4296, 51570), (4584, 48330), (4833, 45840), (5157, 42960), (5370, 41256), (5730, 38664), (6444, 34380), (6480, 34189), (6876, 32220), (7160, 30942), (7640, 28998), (8055, 27504), (8592, 25785), (8595, 25776), (9168, 24165), (9666, 22920), (10314, 21480), (10740, 20628), (11460, 19332), (12888, 17190), (13752, 16110), (14320, 15471), (14499, 15280)]