638381016

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1$

素因数の和:519

約数の個数: 288

約数和(自身を含む): 2240784000

約数和(自身を除く): 1602402984

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 28, 31, 36, 39, 42, 49, 52, 56, 62, 63, 72, 78, 84, 91, 93, 98, 104, 117, 124, 126, 147, 156, 168, 182, 186, 196, 217, 234, 248, 252, 273, 279, 294, 312, 364, 372, 392, 403, 434, 441, 449, 468, 504, 546, 558, 588, 637, 651, 728, 744, 806, 819, 868, 882, 898, 936, 1092, 1116, 1176, 1209, 1274, 1302, 1347, 1519, 1612, 1638, 1736, 1764, 1796, 1911, 1953, 2184, 2232, 2418, 2548, 2604, 2694, 2821, 3038, 3143, 3224, 3276, 3528, 3592, 3627, 3822, 3906, 4041, 4557, 4836, 5096, 5208, 5388, 5642, 5733, 5837, 6076, 6286, 6552, 7254, 7644, 7812, 8082, 8463, 9114, 9429, 9672, 10776, 11284, 11466, 11674, 12152, 12572, 13671, 13919, 14508, 15288, 15624, 16164, 16926, 17511, 18228, 18858, 19747, 22001, 22568, 22932, 23348, 25144, 25389, 27342, 27838, 28287, 29016, 32328, 33852, 35022, 36456, 37716, 39494, 40859, 41757, 44002, 45864, 46696, 50778, 52533, 54684, 55676, 56574, 59241, 66003, 67704, 70044, 75432, 78988, 81718, 83514, 88004, 97433, 101556, 105066, 109368, 111352, 113148, 118482, 122577, 125271, 132006, 140088, 157976, 163436, 167028, 176008, 177723, 180947, 194866, 198009, 203112, 210132, 226296, 236964, 245154, 250542, 264012, 286013, 292299, 326872, 334056, 355446, 361894, 367731, 389732, 396018, 420264, 473928, 490308, 501084, 528024, 542841, 572026, 584598, 682031, 710892, 723788, 735462, 779464, 792036, 858039, 876897, 980616, 1002168, 1085682, 1144052, 1169196, 1266629, 1364062, 1421784, 1447576, 1470924, 1584072, 1628523, 1716078, 1753794, 2046093, 2171364, 2288104, 2338392, 2533258, 2574117, 2728124, 2941848, 3257046, 3432156, 3507588, 3799887, 4092186, 4342728, 5066516, 5148234, 5456248, 6138279, 6514092, 6864312, 7015176, 7599774, 8184372, 8866403, 10133032, 10296468, 11399661, 12276558, 13028184, 15199548, 16368744, 17732806, 20592936, 22799322, 24553116, 26599209, 30399096, 35465612, 45598644, 49106232, 53198418, 70931224, 79797627, 91197288, 106396836, 159595254, 212793672, 319190508, 638381016]

約数ペア:

[(1, 638381016), (2, 319190508), (3, 212793672), (4, 159595254), (6, 106396836), (7, 91197288), (8, 79797627), (9, 70931224), (12, 53198418), (13, 49106232), (14, 45598644), (18, 35465612), (21, 30399096), (24, 26599209), (26, 24553116), (28, 22799322), (31, 20592936), (36, 17732806), (39, 16368744), (42, 15199548), (49, 13028184), (52, 12276558), (56, 11399661), (62, 10296468), (63, 10133032), (72, 8866403), (78, 8184372), (84, 7599774), (91, 7015176), (93, 6864312), (98, 6514092), (104, 6138279), (117, 5456248), (124, 5148234), (126, 5066516), (147, 4342728), (156, 4092186), (168, 3799887), (182, 3507588), (186, 3432156), (196, 3257046), (217, 2941848), (234, 2728124), (248, 2574117), (252, 2533258), (273, 2338392), (279, 2288104), (294, 2171364), (312, 2046093), (364, 1753794), (372, 1716078), (392, 1628523), (403, 1584072), (434, 1470924), (441, 1447576), (449, 1421784), (468, 1364062), (504, 1266629), (546, 1169196), (558, 1144052), (588, 1085682), (637, 1002168), (651, 980616), (728, 876897), (744, 858039), (806, 792036), (819, 779464), (868, 735462), (882, 723788), (898, 710892), (936, 682031), (1092, 584598), (1116, 572026), (1176, 542841), (1209, 528024), (1274, 501084), (1302, 490308), (1347, 473928), (1519, 420264), (1612, 396018), (1638, 389732), (1736, 367731), (1764, 361894), (1796, 355446), (1911, 334056), (1953, 326872), (2184, 292299), (2232, 286013), (2418, 264012), (2548, 250542), (2604, 245154), (2694, 236964), (2821, 226296), (3038, 210132), (3143, 203112), (3224, 198009), (3276, 194866), (3528, 180947), (3592, 177723), (3627, 176008), (3822, 167028), (3906, 163436), (4041, 157976), (4557, 140088), (4836, 132006), (5096, 125271), (5208, 122577), (5388, 118482), (5642, 113148), (5733, 111352), (5837, 109368), (6076, 105066), (6286, 101556), (6552, 97433), (7254, 88004), (7644, 83514), (7812, 81718), (8082, 78988), (8463, 75432), (9114, 70044), (9429, 67704), (9672, 66003), (10776, 59241), (11284, 56574), (11466, 55676), (11674, 54684), (12152, 52533), (12572, 50778), (13671, 46696), (13919, 45864), (14508, 44002), (15288, 41757), (15624, 40859), (16164, 39494), (16926, 37716), (17511, 36456), (18228, 35022), (18858, 33852), (19747, 32328), (22001, 29016), (22568, 28287), (22932, 27838), (23348, 27342), (25144, 25389)]