21508848480

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{87691}}^1$

素因数の和:87789

約数の個数: 192

約数和(自身を含む): 78493459968

約数和(自身を除く): 56984611488

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 73, 80, 84, 96, 105, 112, 120, 140, 146, 160, 168, 210, 219, 224, 240, 280, 292, 336, 365, 420, 438, 480, 511, 560, 584, 672, 730, 840, 876, 1022, 1095, 1120, 1168, 1460, 1533, 1680, 1752, 2044, 2190, 2336, 2555, 2920, 3066, 3360, 3504, 4088, 4380, 5110, 5840, 6132, 7008, 7665, 8176, 8760, 10220, 11680, 12264, 15330, 16352, 17520, 20440, 24528, 30660, 35040, 40880, 49056, 61320, 81760, 87691, 122640, 175382, 245280, 263073, 350764, 438455, 526146, 613837, 701528, 876910, 1052292, 1227674, 1315365, 1403056, 1753820, 1841511, 2104584, 2455348, 2630730, 2806112, 3069185, 3507640, 3683022, 4209168, 4910696, 5261460, 6138370, 6401443, 7015280, 7366044, 8418336, 9207555, 9821392, 10522920, 12276740, 12802886, 14030560, 14732088, 18415110, 19204329, 19642784, 21045840, 24553480, 25605772, 29464176, 32007215, 36830220, 38408658, 42091680, 44810101, 49106960, 51211544, 58928352, 64014430, 73660440, 76817316, 89620202, 96021645, 98213920, 102423088, 128028860, 134430303, 147320880, 153634632, 179240404, 192043290, 204846176, 224050505, 256057720, 268860606, 294641760, 307269264, 358480808, 384086580, 448101010, 512115440, 537721212, 614538528, 672151515, 716961616, 768173160, 896202020, 1024230880, 1075442424, 1344303030, 1433923232, 1536346320, 1792404040, 2150884848, 2688606060, 3072692640, 3584808080, 4301769696, 5377212120, 7169616160, 10754424240, 21508848480]

約数ペア:

[(1, 21508848480), (2, 10754424240), (3, 7169616160), (4, 5377212120), (5, 4301769696), (6, 3584808080), (7, 3072692640), (8, 2688606060), (10, 2150884848), (12, 1792404040), (14, 1536346320), (15, 1433923232), (16, 1344303030), (20, 1075442424), (21, 1024230880), (24, 896202020), (28, 768173160), (30, 716961616), (32, 672151515), (35, 614538528), (40, 537721212), (42, 512115440), (48, 448101010), (56, 384086580), (60, 358480808), (70, 307269264), (73, 294641760), (80, 268860606), (84, 256057720), (96, 224050505), (105, 204846176), (112, 192043290), (120, 179240404), (140, 153634632), (146, 147320880), (160, 134430303), (168, 128028860), (210, 102423088), (219, 98213920), (224, 96021645), (240, 89620202), (280, 76817316), (292, 73660440), (336, 64014430), (365, 58928352), (420, 51211544), (438, 49106960), (480, 44810101), (511, 42091680), (560, 38408658), (584, 36830220), (672, 32007215), (730, 29464176), (840, 25605772), (876, 24553480), (1022, 21045840), (1095, 19642784), (1120, 19204329), (1168, 18415110), (1460, 14732088), (1533, 14030560), (1680, 12802886), (1752, 12276740), (2044, 10522920), (2190, 9821392), (2336, 9207555), (2555, 8418336), (2920, 7366044), (3066, 7015280), (3360, 6401443), (3504, 6138370), (4088, 5261460), (4380, 4910696), (5110, 4209168), (5840, 3683022), (6132, 3507640), (7008, 3069185), (7665, 2806112), (8176, 2630730), (8760, 2455348), (10220, 2104584), (11680, 1841511), (12264, 1753820), (15330, 1403056), (16352, 1315365), (17520, 1227674), (20440, 1052292), (24528, 876910), (30660, 701528), (35040, 613837), (40880, 526146), (49056, 438455), (61320, 350764), (81760, 263073), (87691, 245280), (122640, 175382)]