1431291680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{499}}^1$

素因数の和:731

約数の個数: 192

約数和(自身を含む): 4191264000

約数和(自身を除く): 2759972320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 197, 208, 224, 260, 280, 364, 394, 416, 455, 499, 520, 560, 728, 788, 910, 985, 998, 1040, 1120, 1379, 1456, 1576, 1820, 1970, 1996, 2080, 2495, 2561, 2758, 2912, 3152, 3493, 3640, 3940, 3992, 4990, 5122, 5516, 6304, 6487, 6895, 6986, 7280, 7880, 7984, 9980, 10244, 11032, 12805, 12974, 13790, 13972, 14560, 15760, 15968, 17465, 17927, 19960, 20488, 22064, 25610, 25948, 27580, 27944, 31520, 32435, 34930, 35854, 39920, 40976, 44128, 45409, 51220, 51896, 55160, 55888, 64870, 69860, 71708, 79840, 81952, 89635, 90818, 98303, 102440, 103792, 110320, 111776, 129740, 139720, 143416, 179270, 181636, 196606, 204880, 207584, 220640, 227045, 259480, 279440, 286832, 358540, 363272, 393212, 409760, 454090, 491515, 518960, 558880, 573664, 688121, 717080, 726544, 786424, 908180, 983030, 1037920, 1277939, 1376242, 1434160, 1453088, 1572848, 1816360, 1966060, 2555878, 2752484, 2868320, 3145696, 3440605, 3632720, 3932120, 5111756, 5504968, 6389695, 6881210, 7265440, 7864240, 8945573, 10223512, 11009936, 12779390, 13762420, 15728480, 17891146, 20447024, 22019872, 25558780, 27524840, 35782292, 40894048, 44727865, 51117560, 55049680, 71564584, 89455730, 102235120, 110099360, 143129168, 178911460, 204470240, 286258336, 357822920, 715645840, 1431291680]

約数ペア:

[(1, 1431291680), (2, 715645840), (4, 357822920), (5, 286258336), (7, 204470240), (8, 178911460), (10, 143129168), (13, 110099360), (14, 102235120), (16, 89455730), (20, 71564584), (26, 55049680), (28, 51117560), (32, 44727865), (35, 40894048), (40, 35782292), (52, 27524840), (56, 25558780), (65, 22019872), (70, 20447024), (80, 17891146), (91, 15728480), (104, 13762420), (112, 12779390), (130, 11009936), (140, 10223512), (160, 8945573), (182, 7864240), (197, 7265440), (208, 6881210), (224, 6389695), (260, 5504968), (280, 5111756), (364, 3932120), (394, 3632720), (416, 3440605), (455, 3145696), (499, 2868320), (520, 2752484), (560, 2555878), (728, 1966060), (788, 1816360), (910, 1572848), (985, 1453088), (998, 1434160), (1040, 1376242), (1120, 1277939), (1379, 1037920), (1456, 983030), (1576, 908180), (1820, 786424), (1970, 726544), (1996, 717080), (2080, 688121), (2495, 573664), (2561, 558880), (2758, 518960), (2912, 491515), (3152, 454090), (3493, 409760), (3640, 393212), (3940, 363272), (3992, 358540), (4990, 286832), (5122, 279440), (5516, 259480), (6304, 227045), (6487, 220640), (6895, 207584), (6986, 204880), (7280, 196606), (7880, 181636), (7984, 179270), (9980, 143416), (10244, 139720), (11032, 129740), (12805, 111776), (12974, 110320), (13790, 103792), (13972, 102440), (14560, 98303), (15760, 90818), (15968, 89635), (17465, 81952), (17927, 79840), (19960, 71708), (20488, 69860), (22064, 64870), (25610, 55888), (25948, 55160), (27580, 51896), (27944, 51220), (31520, 45409), (32435, 44128), (34930, 40976), (35854, 39920)]