28338993480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{25309}}^1$

素因数の和:25404

約数の個数: 256

約数和(自身を含む): 102633062400

約数和(自身を除く): 74294068920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 43, 56, 60, 62, 70, 84, 86, 93, 105, 120, 124, 129, 140, 155, 168, 172, 186, 210, 215, 217, 248, 258, 280, 301, 310, 344, 372, 420, 430, 434, 465, 516, 602, 620, 645, 651, 744, 840, 860, 868, 903, 930, 1032, 1085, 1204, 1240, 1290, 1302, 1333, 1505, 1720, 1736, 1806, 1860, 2170, 2408, 2580, 2604, 2666, 3010, 3255, 3612, 3720, 3999, 4340, 4515, 5160, 5208, 5332, 6020, 6510, 6665, 7224, 7998, 8680, 9030, 9331, 10664, 12040, 13020, 13330, 15996, 18060, 18662, 19995, 25309, 26040, 26660, 27993, 31992, 36120, 37324, 39990, 46655, 50618, 53320, 55986, 74648, 75927, 79980, 93310, 101236, 111972, 126545, 139965, 151854, 159960, 177163, 186620, 202472, 223944, 253090, 279930, 303708, 354326, 373240, 379635, 506180, 531489, 559860, 607416, 708652, 759270, 784579, 885815, 1012360, 1062978, 1088287, 1119720, 1417304, 1518540, 1569158, 1771630, 2125956, 2176574, 2353737, 2657445, 3037080, 3138316, 3264861, 3543260, 3922895, 4251912, 4353148, 4707474, 5314890, 5441435, 5492053, 6276632, 6529722, 7086520, 7618009, 7845790, 8706296, 9414948, 10629780, 10882870, 10984106, 11768685, 13059444, 15236018, 15691580, 16324305, 16476159, 18829896, 21259560, 21765740, 21968212, 22854027, 23537370, 26118888, 27460265, 30472036, 31383160, 32648610, 32952318, 33736897, 38090045, 43531480, 43936424, 45708054, 47074740, 54920530, 60944072, 65297220, 65904636, 67473794, 76180090, 82380795, 91416108, 94149480, 101210691, 109841060, 114270135, 130594440, 131809272, 134947588, 152360180, 164761590, 168684485, 182832216, 202421382, 219682120, 228540270, 236158279, 269895176, 304720360, 329523180, 337368970, 404842764, 457080540, 472316558, 506053455, 659046360, 674737940, 708474837, 809685528, 914161080, 944633116, 1012106910, 1180791395, 1349475880, 1416949674, 1889266232, 2024213820, 2361582790, 2833899348, 3542374185, 4048427640, 4723165580, 5667798696, 7084748370, 9446331160, 14169496740, 28338993480]

約数ペア:

[(1, 28338993480), (2, 14169496740), (3, 9446331160), (4, 7084748370), (5, 5667798696), (6, 4723165580), (7, 4048427640), (8, 3542374185), (10, 2833899348), (12, 2361582790), (14, 2024213820), (15, 1889266232), (20, 1416949674), (21, 1349475880), (24, 1180791395), (28, 1012106910), (30, 944633116), (31, 914161080), (35, 809685528), (40, 708474837), (42, 674737940), (43, 659046360), (56, 506053455), (60, 472316558), (62, 457080540), (70, 404842764), (84, 337368970), (86, 329523180), (93, 304720360), (105, 269895176), (120, 236158279), (124, 228540270), (129, 219682120), (140, 202421382), (155, 182832216), (168, 168684485), (172, 164761590), (186, 152360180), (210, 134947588), (215, 131809272), (217, 130594440), (248, 114270135), (258, 109841060), (280, 101210691), (301, 94149480), (310, 91416108), (344, 82380795), (372, 76180090), (420, 67473794), (430, 65904636), (434, 65297220), (465, 60944072), (516, 54920530), (602, 47074740), (620, 45708054), (645, 43936424), (651, 43531480), (744, 38090045), (840, 33736897), (860, 32952318), (868, 32648610), (903, 31383160), (930, 30472036), (1032, 27460265), (1085, 26118888), (1204, 23537370), (1240, 22854027), (1290, 21968212), (1302, 21765740), (1333, 21259560), (1505, 18829896), (1720, 16476159), (1736, 16324305), (1806, 15691580), (1860, 15236018), (2170, 13059444), (2408, 11768685), (2580, 10984106), (2604, 10882870), (2666, 10629780), (3010, 9414948), (3255, 8706296), (3612, 7845790), (3720, 7618009), (3999, 7086520), (4340, 6529722), (4515, 6276632), (5160, 5492053), (5208, 5441435), (5332, 5314890), (6020, 4707474), (6510, 4353148), (6665, 4251912), (7224, 3922895), (7998, 3543260), (8680, 3264861), (9030, 3138316), (9331, 3037080), (10664, 2657445), (12040, 2353737), (13020, 2176574), (13330, 2125956), (15996, 1771630), (18060, 1569158), (18662, 1518540), (19995, 1417304), (25309, 1119720), (26040, 1088287), (26660, 1062978), (27993, 1012360), (31992, 885815), (36120, 784579), (37324, 759270), (39990, 708652), (46655, 607416), (50618, 559860), (53320, 531489), (55986, 506180), (74648, 379635), (75927, 373240), (79980, 354326), (93310, 303708), (101236, 279930), (111972, 253090), (126545, 223944), (139965, 202472), (151854, 186620), (159960, 177163)]