42307720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:287

約数の個数: 128

約数和(自身を含む): 119750400

約数和(自身を除く): 77442680

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 59, 65, 70, 91, 104, 118, 130, 140, 182, 197, 236, 260, 280, 295, 364, 394, 413, 455, 472, 520, 590, 728, 767, 788, 826, 910, 985, 1180, 1379, 1534, 1576, 1652, 1820, 1970, 2065, 2360, 2561, 2758, 3068, 3304, 3640, 3835, 3940, 4130, 5122, 5369, 5516, 6136, 6895, 7670, 7880, 8260, 10244, 10738, 11032, 11623, 12805, 13790, 15340, 16520, 17927, 20488, 21476, 23246, 25610, 26845, 27580, 30680, 35854, 42952, 46492, 51220, 53690, 55160, 58115, 71708, 81361, 89635, 92984, 102440, 107380, 116230, 143416, 151099, 162722, 179270, 214760, 232460, 302198, 325444, 358540, 406805, 464920, 604396, 650888, 717080, 755495, 813610, 1057693, 1208792, 1510990, 1627220, 2115386, 3021980, 3254440, 4230772, 5288465, 6043960, 8461544, 10576930, 21153860, 42307720]

約数ペア:

[(1, 42307720), (2, 21153860), (4, 10576930), (5, 8461544), (7, 6043960), (8, 5288465), (10, 4230772), (13, 3254440), (14, 3021980), (20, 2115386), (26, 1627220), (28, 1510990), (35, 1208792), (40, 1057693), (52, 813610), (56, 755495), (59, 717080), (65, 650888), (70, 604396), (91, 464920), (104, 406805), (118, 358540), (130, 325444), (140, 302198), (182, 232460), (197, 214760), (236, 179270), (260, 162722), (280, 151099), (295, 143416), (364, 116230), (394, 107380), (413, 102440), (455, 92984), (472, 89635), (520, 81361), (590, 71708), (728, 58115), (767, 55160), (788, 53690), (826, 51220), (910, 46492), (985, 42952), (1180, 35854), (1379, 30680), (1534, 27580), (1576, 26845), (1652, 25610), (1820, 23246), (1970, 21476), (2065, 20488), (2360, 17927), (2561, 16520), (2758, 15340), (3068, 13790), (3304, 12805), (3640, 11623), (3835, 11032), (3940, 10738), (4130, 10244), (5122, 8260), (5369, 7880), (5516, 7670), (6136, 6895)]