7997455440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{857}}^1\times {\mathrm{997}}^1$

素因数の和:1886

約数の個数: 240

約数和(自身を含む): 28986925968

約数和(自身を除く): 20989470528

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 857, 936, 997, 1040, 1170, 1560, 1714, 1872, 1994, 2340, 2571, 2991, 3120, 3428, 3988, 4285, 4680, 4985, 5142, 5982, 6856, 7713, 7976, 8570, 8973, 9360, 9970, 10284, 11141, 11964, 12855, 12961, 13712, 14955, 15426, 15952, 17140, 17946, 19940, 20568, 22282, 23928, 25710, 25922, 29910, 30852, 33423, 34280, 35892, 38565, 38883, 39880, 41136, 44564, 44865, 47856, 51420, 51844, 55705, 59820, 61704, 64805, 66846, 68560, 71784, 77130, 77766, 79760, 89128, 89730, 100269, 102840, 103688, 111410, 116649, 119640, 123408, 129610, 133692, 143568, 154260, 155532, 167115, 178256, 179460, 194415, 200538, 205680, 207376, 222820, 233298, 239280, 259220, 267384, 308520, 311064, 334230, 358920, 388830, 401076, 445640, 466596, 501345, 518440, 534768, 583245, 617040, 622128, 668460, 717840, 777660, 802152, 854429, 891280, 933192, 1002690, 1036880, 1166490, 1336920, 1555320, 1604304, 1708858, 1866384, 2005380, 2332980, 2563287, 2673840, 3110640, 3417716, 4010760, 4272145, 4665960, 5126574, 6835432, 7689861, 8021520, 8544290, 9331920, 10253148, 11107577, 12816435, 13670864, 15379722, 17088580, 20506296, 22215154, 25632870, 30759444, 33322731, 34177160, 38449305, 41012592, 44430308, 51265740, 55537885, 61518888, 66645462, 68354320, 76898610, 88860616, 99968193, 102531480, 111075770, 123037776, 133290924, 153797220, 166613655, 177721232, 199936386, 205062960, 222151540, 266581848, 307594440, 333227310, 399872772, 444303080, 499840965, 533163696, 615188880, 666454620, 799745544, 888606160, 999681930, 1332909240, 1599491088, 1999363860, 2665818480, 3998727720, 7997455440]

約数ペア:

[(1, 7997455440), (2, 3998727720), (3, 2665818480), (4, 1999363860), (5, 1599491088), (6, 1332909240), (8, 999681930), (9, 888606160), (10, 799745544), (12, 666454620), (13, 615188880), (15, 533163696), (16, 499840965), (18, 444303080), (20, 399872772), (24, 333227310), (26, 307594440), (30, 266581848), (36, 222151540), (39, 205062960), (40, 199936386), (45, 177721232), (48, 166613655), (52, 153797220), (60, 133290924), (65, 123037776), (72, 111075770), (78, 102531480), (80, 99968193), (90, 88860616), (104, 76898610), (117, 68354320), (120, 66645462), (130, 61518888), (144, 55537885), (156, 51265740), (180, 44430308), (195, 41012592), (208, 38449305), (234, 34177160), (240, 33322731), (260, 30759444), (312, 25632870), (360, 22215154), (390, 20506296), (468, 17088580), (520, 15379722), (585, 13670864), (624, 12816435), (720, 11107577), (780, 10253148), (857, 9331920), (936, 8544290), (997, 8021520), (1040, 7689861), (1170, 6835432), (1560, 5126574), (1714, 4665960), (1872, 4272145), (1994, 4010760), (2340, 3417716), (2571, 3110640), (2991, 2673840), (3120, 2563287), (3428, 2332980), (3988, 2005380), (4285, 1866384), (4680, 1708858), (4985, 1604304), (5142, 1555320), (5982, 1336920), (6856, 1166490), (7713, 1036880), (7976, 1002690), (8570, 933192), (8973, 891280), (9360, 854429), (9970, 802152), (10284, 777660), (11141, 717840), (11964, 668460), (12855, 622128), (12961, 617040), (13712, 583245), (14955, 534768), (15426, 518440), (15952, 501345), (17140, 466596), (17946, 445640), (19940, 401076), (20568, 388830), (22282, 358920), (23928, 334230), (25710, 311064), (25922, 308520), (29910, 267384), (30852, 259220), (33423, 239280), (34280, 233298), (35892, 222820), (38565, 207376), (38883, 205680), (39880, 200538), (41136, 194415), (44564, 179460), (44865, 178256), (47856, 167115), (51420, 155532), (51844, 154260), (55705, 143568), (59820, 133692), (61704, 129610), (64805, 123408), (66846, 119640), (68560, 116649), (71784, 111410), (77130, 103688), (77766, 102840), (79760, 100269), (89128, 89730)]