4920681780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{90821}}^1$

素因数の和:90886

約数の個数: 144

約数和(自身を含む): 17455261824

約数和(自身を除く): 12534580044

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 43, 45, 60, 63, 70, 84, 86, 90, 105, 126, 129, 140, 172, 180, 210, 215, 252, 258, 301, 315, 387, 420, 430, 516, 602, 630, 645, 774, 860, 903, 1204, 1260, 1290, 1505, 1548, 1806, 1935, 2580, 2709, 3010, 3612, 3870, 4515, 5418, 6020, 7740, 9030, 10836, 13545, 18060, 27090, 54180, 90821, 181642, 272463, 363284, 454105, 544926, 635747, 817389, 908210, 1089852, 1271494, 1362315, 1634778, 1816420, 1907241, 2542988, 2724630, 3178735, 3269556, 3814482, 3905303, 4086945, 5449260, 5721723, 6357470, 7628964, 7810606, 8173890, 9536205, 11443446, 11715909, 12714940, 15621212, 16347780, 19072410, 19526515, 22886892, 23431818, 27337121, 28608615, 35147727, 38144820, 39053030, 46863636, 54674242, 57217230, 58579545, 70295454, 78106060, 82011363, 109348484, 114434460, 117159090, 136685605, 140590908, 164022726, 175738635, 234318180, 246034089, 273371210, 328045452, 351477270, 410056815, 492068178, 546742420, 702954540, 820113630, 984136356, 1230170445, 1640227260, 2460340890, 4920681780]

約数ペア:

[(1, 4920681780), (2, 2460340890), (3, 1640227260), (4, 1230170445), (5, 984136356), (6, 820113630), (7, 702954540), (9, 546742420), (10, 492068178), (12, 410056815), (14, 351477270), (15, 328045452), (18, 273371210), (20, 246034089), (21, 234318180), (28, 175738635), (30, 164022726), (35, 140590908), (36, 136685605), (42, 117159090), (43, 114434460), (45, 109348484), (60, 82011363), (63, 78106060), (70, 70295454), (84, 58579545), (86, 57217230), (90, 54674242), (105, 46863636), (126, 39053030), (129, 38144820), (140, 35147727), (172, 28608615), (180, 27337121), (210, 23431818), (215, 22886892), (252, 19526515), (258, 19072410), (301, 16347780), (315, 15621212), (387, 12714940), (420, 11715909), (430, 11443446), (516, 9536205), (602, 8173890), (630, 7810606), (645, 7628964), (774, 6357470), (860, 5721723), (903, 5449260), (1204, 4086945), (1260, 3905303), (1290, 3814482), (1505, 3269556), (1548, 3178735), (1806, 2724630), (1935, 2542988), (2580, 1907241), (2709, 1816420), (3010, 1634778), (3612, 1362315), (3870, 1271494), (4515, 1089852), (5418, 908210), (6020, 817389), (7740, 635747), (9030, 544926), (10836, 454105), (13545, 363284), (18060, 272463), (27090, 181642), (54180, 90821)]