80752980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{227}}^1$

素因数の和:275

約数の個数: 216

約数和(自身を含む): 290382624

約数和(自身を除く): 209629644

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 49, 55, 60, 66, 70, 77, 84, 98, 105, 110, 121, 132, 140, 147, 154, 165, 196, 210, 220, 227, 231, 242, 245, 294, 308, 330, 363, 385, 420, 454, 462, 484, 490, 539, 588, 605, 660, 681, 726, 735, 770, 847, 908, 924, 980, 1078, 1135, 1155, 1210, 1362, 1452, 1470, 1540, 1589, 1617, 1694, 1815, 2156, 2270, 2310, 2420, 2497, 2541, 2695, 2724, 2940, 3178, 3234, 3388, 3405, 3630, 4235, 4540, 4620, 4767, 4994, 5082, 5390, 5929, 6356, 6468, 6810, 7260, 7491, 7945, 8085, 8470, 9534, 9988, 10164, 10780, 11123, 11858, 12485, 12705, 13620, 14982, 15890, 16170, 16940, 17479, 17787, 19068, 22246, 23716, 23835, 24970, 25410, 27467, 29645, 29964, 31780, 32340, 33369, 34958, 35574, 37455, 44492, 47670, 49940, 50820, 52437, 54934, 55615, 59290, 66738, 69916, 71148, 74910, 82401, 87395, 88935, 95340, 104874, 109868, 111230, 118580, 122353, 133476, 137335, 149820, 164802, 166845, 174790, 177870, 192269, 209748, 222460, 244706, 262185, 274670, 329604, 333690, 349580, 355740, 367059, 384538, 412005, 489412, 524370, 549340, 576807, 611765, 667380, 734118, 769076, 824010, 961345, 1048740, 1153614, 1223530, 1345883, 1468236, 1648020, 1835295, 1922690, 2307228, 2447060, 2691766, 2884035, 3670590, 3845380, 4037649, 5383532, 5768070, 6729415, 7341180, 8075298, 11536140, 13458830, 16150596, 20188245, 26917660, 40376490, 80752980]

約数ペア:

[(1, 80752980), (2, 40376490), (3, 26917660), (4, 20188245), (5, 16150596), (6, 13458830), (7, 11536140), (10, 8075298), (11, 7341180), (12, 6729415), (14, 5768070), (15, 5383532), (20, 4037649), (21, 3845380), (22, 3670590), (28, 2884035), (30, 2691766), (33, 2447060), (35, 2307228), (42, 1922690), (44, 1835295), (49, 1648020), (55, 1468236), (60, 1345883), (66, 1223530), (70, 1153614), (77, 1048740), (84, 961345), (98, 824010), (105, 769076), (110, 734118), (121, 667380), (132, 611765), (140, 576807), (147, 549340), (154, 524370), (165, 489412), (196, 412005), (210, 384538), (220, 367059), (227, 355740), (231, 349580), (242, 333690), (245, 329604), (294, 274670), (308, 262185), (330, 244706), (363, 222460), (385, 209748), (420, 192269), (454, 177870), (462, 174790), (484, 166845), (490, 164802), (539, 149820), (588, 137335), (605, 133476), (660, 122353), (681, 118580), (726, 111230), (735, 109868), (770, 104874), (847, 95340), (908, 88935), (924, 87395), (980, 82401), (1078, 74910), (1135, 71148), (1155, 69916), (1210, 66738), (1362, 59290), (1452, 55615), (1470, 54934), (1540, 52437), (1589, 50820), (1617, 49940), (1694, 47670), (1815, 44492), (2156, 37455), (2270, 35574), (2310, 34958), (2420, 33369), (2497, 32340), (2541, 31780), (2695, 29964), (2724, 29645), (2940, 27467), (3178, 25410), (3234, 24970), (3388, 23835), (3405, 23716), (3630, 22246), (4235, 19068), (4540, 17787), (4620, 17479), (4767, 16940), (4994, 16170), (5082, 15890), (5390, 14982), (5929, 13620), (6356, 12705), (6468, 12485), (6810, 11858), (7260, 11123), (7491, 10780), (7945, 10164), (8085, 9988), (8470, 9534)]