221643180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:237

約数の個数: 288

約数和(自身を含む): 795045888

約数和(自身を除く): 573402708

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 23, 30, 31, 33, 36, 44, 45, 46, 55, 60, 62, 66, 69, 90, 92, 93, 99, 110, 115, 124, 132, 138, 155, 157, 165, 180, 186, 198, 207, 220, 230, 253, 276, 279, 310, 314, 330, 341, 345, 372, 396, 414, 460, 465, 471, 495, 506, 558, 620, 628, 660, 682, 690, 713, 759, 785, 828, 930, 942, 990, 1012, 1023, 1035, 1116, 1265, 1364, 1380, 1395, 1413, 1426, 1518, 1570, 1705, 1727, 1860, 1884, 1980, 2046, 2070, 2139, 2277, 2355, 2530, 2790, 2826, 2852, 3036, 3069, 3140, 3410, 3454, 3565, 3611, 3795, 4092, 4140, 4278, 4554, 4710, 4867, 5060, 5115, 5181, 5580, 5652, 6138, 6417, 6820, 6908, 7065, 7130, 7222, 7590, 7843, 8556, 8635, 9108, 9420, 9734, 10230, 10362, 10695, 10833, 11385, 12276, 12834, 14130, 14260, 14444, 14601, 15180, 15345, 15543, 15686, 17270, 18055, 19468, 20460, 20724, 21390, 21666, 22770, 23529, 24335, 25668, 25905, 28260, 29202, 30690, 31086, 31372, 32085, 32499, 34540, 36110, 39215, 39721, 42780, 43332, 43803, 45540, 47058, 48670, 51810, 53537, 54165, 58404, 61380, 62172, 64170, 64998, 70587, 72220, 73005, 77715, 78430, 79442, 87606, 94116, 97340, 103620, 107074, 108330, 111941, 117645, 119163, 128340, 129996, 141174, 146010, 155430, 156860, 158884, 160611, 162495, 175212, 198605, 214148, 216660, 219015, 223882, 235290, 238326, 267685, 282348, 292020, 310860, 321222, 324990, 335823, 352935, 357489, 397210, 438030, 447764, 470580, 476652, 481833, 535370, 559705, 595815, 642444, 649980, 671646, 705870, 714978, 794420, 803055, 876060, 963666, 1007469, 1070740, 1119410, 1191630, 1231351, 1343292, 1411740, 1429956, 1606110, 1679115, 1787445, 1927332, 2014938, 2238820, 2383260, 2409165, 2462702, 3212220, 3358230, 3574890, 3694053, 4029876, 4818330, 4925404, 5037345, 6156755, 6716460, 7149780, 7388106, 9636660, 10074690, 11082159, 12313510, 14776212, 18470265, 20149380, 22164318, 24627020, 36940530, 44328636, 55410795, 73881060, 110821590, 221643180]

約数ペア:

[(1, 221643180), (2, 110821590), (3, 73881060), (4, 55410795), (5, 44328636), (6, 36940530), (9, 24627020), (10, 22164318), (11, 20149380), (12, 18470265), (15, 14776212), (18, 12313510), (20, 11082159), (22, 10074690), (23, 9636660), (30, 7388106), (31, 7149780), (33, 6716460), (36, 6156755), (44, 5037345), (45, 4925404), (46, 4818330), (55, 4029876), (60, 3694053), (62, 3574890), (66, 3358230), (69, 3212220), (90, 2462702), (92, 2409165), (93, 2383260), (99, 2238820), (110, 2014938), (115, 1927332), (124, 1787445), (132, 1679115), (138, 1606110), (155, 1429956), (157, 1411740), (165, 1343292), (180, 1231351), (186, 1191630), (198, 1119410), (207, 1070740), (220, 1007469), (230, 963666), (253, 876060), (276, 803055), (279, 794420), (310, 714978), (314, 705870), (330, 671646), (341, 649980), (345, 642444), (372, 595815), (396, 559705), (414, 535370), (460, 481833), (465, 476652), (471, 470580), (495, 447764), (506, 438030), (558, 397210), (620, 357489), (628, 352935), (660, 335823), (682, 324990), (690, 321222), (713, 310860), (759, 292020), (785, 282348), (828, 267685), (930, 238326), (942, 235290), (990, 223882), (1012, 219015), (1023, 216660), (1035, 214148), (1116, 198605), (1265, 175212), (1364, 162495), (1380, 160611), (1395, 158884), (1413, 156860), (1426, 155430), (1518, 146010), (1570, 141174), (1705, 129996), (1727, 128340), (1860, 119163), (1884, 117645), (1980, 111941), (2046, 108330), (2070, 107074), (2139, 103620), (2277, 97340), (2355, 94116), (2530, 87606), (2790, 79442), (2826, 78430), (2852, 77715), (3036, 73005), (3069, 72220), (3140, 70587), (3410, 64998), (3454, 64170), (3565, 62172), (3611, 61380), (3795, 58404), (4092, 54165), (4140, 53537), (4278, 51810), (4554, 48670), (4710, 47058), (4867, 45540), (5060, 43803), (5115, 43332), (5181, 42780), (5580, 39721), (5652, 39215), (6138, 36110), (6417, 34540), (6820, 32499), (6908, 32085), (7065, 31372), (7130, 31086), (7222, 30690), (7590, 29202), (7843, 28260), (8556, 25905), (8635, 25668), (9108, 24335), (9420, 23529), (9734, 22770), (10230, 21666), (10362, 21390), (10695, 20724), (10833, 20460), (11385, 19468), (12276, 18055), (12834, 17270), (14130, 15686), (14260, 15543), (14444, 15345), (14601, 15180)]