42857920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1$

素因数の和:115

約数の個数: 168

約数和(自身を含む): 125419104

約数和(自身を除く): 82561184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 53, 56, 64, 70, 76, 80, 95, 106, 112, 133, 140, 152, 160, 190, 212, 224, 265, 266, 280, 304, 320, 361, 371, 380, 424, 448, 530, 532, 560, 608, 665, 722, 742, 760, 848, 1007, 1060, 1064, 1120, 1216, 1330, 1444, 1484, 1520, 1696, 1805, 1855, 2014, 2120, 2128, 2240, 2527, 2660, 2888, 2968, 3040, 3392, 3610, 3710, 4028, 4240, 4256, 5035, 5054, 5320, 5776, 5936, 6080, 7049, 7220, 7420, 8056, 8480, 8512, 10070, 10108, 10640, 11552, 11872, 12635, 14098, 14440, 14840, 16112, 16960, 19133, 20140, 20216, 21280, 23104, 23744, 25270, 28196, 28880, 29680, 32224, 35245, 38266, 40280, 40432, 42560, 50540, 56392, 57760, 59360, 64448, 70490, 76532, 80560, 80864, 95665, 101080, 112784, 115520, 118720, 133931, 140980, 153064, 161120, 161728, 191330, 202160, 225568, 267862, 281960, 306128, 322240, 382660, 404320, 451136, 535724, 563920, 612256, 669655, 765320, 808640, 1071448, 1127840, 1224512, 1339310, 1530640, 2142896, 2255680, 2678620, 3061280, 4285792, 5357240, 6122560, 8571584, 10714480, 21428960, 42857920]

約数ペア:

[(1, 42857920), (2, 21428960), (4, 10714480), (5, 8571584), (7, 6122560), (8, 5357240), (10, 4285792), (14, 3061280), (16, 2678620), (19, 2255680), (20, 2142896), (28, 1530640), (32, 1339310), (35, 1224512), (38, 1127840), (40, 1071448), (53, 808640), (56, 765320), (64, 669655), (70, 612256), (76, 563920), (80, 535724), (95, 451136), (106, 404320), (112, 382660), (133, 322240), (140, 306128), (152, 281960), (160, 267862), (190, 225568), (212, 202160), (224, 191330), (265, 161728), (266, 161120), (280, 153064), (304, 140980), (320, 133931), (361, 118720), (371, 115520), (380, 112784), (424, 101080), (448, 95665), (530, 80864), (532, 80560), (560, 76532), (608, 70490), (665, 64448), (722, 59360), (742, 57760), (760, 56392), (848, 50540), (1007, 42560), (1060, 40432), (1064, 40280), (1120, 38266), (1216, 35245), (1330, 32224), (1444, 29680), (1484, 28880), (1520, 28196), (1696, 25270), (1805, 23744), (1855, 23104), (2014, 21280), (2120, 20216), (2128, 20140), (2240, 19133), (2527, 16960), (2660, 16112), (2888, 14840), (2968, 14440), (3040, 14098), (3392, 12635), (3610, 11872), (3710, 11552), (4028, 10640), (4240, 10108), (4256, 10070), (5035, 8512), (5054, 8480), (5320, 8056), (5776, 7420), (5936, 7220), (6080, 7049)]