81342811800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{181}}^1\times {\mathrm{249671}}^1$

素因数の和:249874

約数の個数: 144

約数和(自身を含む): 274686637680

約数和(自身を除く): 193343825880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 181, 200, 225, 300, 360, 362, 450, 543, 600, 724, 900, 905, 1086, 1448, 1629, 1800, 1810, 2172, 2715, 3258, 3620, 4344, 4525, 5430, 6516, 7240, 8145, 9050, 10860, 13032, 13575, 16290, 18100, 21720, 27150, 32580, 36200, 40725, 54300, 65160, 81450, 108600, 162900, 249671, 325800, 499342, 749013, 998684, 1248355, 1498026, 1997368, 2247039, 2496710, 2996052, 3745065, 4494078, 4993420, 5992104, 6241775, 7490130, 8988156, 9986840, 11235195, 12483550, 14980260, 17976312, 18725325, 22470390, 24967100, 29960520, 37450650, 44940780, 45190451, 49934200, 56175975, 74901300, 89881560, 90380902, 112351950, 135571353, 149802600, 180761804, 224703900, 225952255, 271142706, 361523608, 406714059, 449407800, 451904510, 542285412, 677856765, 813428118, 903809020, 1084570824, 1129761275, 1355713530, 1626856236, 1807618040, 2033570295, 2259522550, 2711427060, 3253712472, 3389283825, 4067140590, 4519045100, 5422854120, 6778567650, 8134281180, 9038090200, 10167851475, 13557135300, 16268562360, 20335702950, 27114270600, 40671405900, 81342811800]

約数ペア:

[(1, 81342811800), (2, 40671405900), (3, 27114270600), (4, 20335702950), (5, 16268562360), (6, 13557135300), (8, 10167851475), (9, 9038090200), (10, 8134281180), (12, 6778567650), (15, 5422854120), (18, 4519045100), (20, 4067140590), (24, 3389283825), (25, 3253712472), (30, 2711427060), (36, 2259522550), (40, 2033570295), (45, 1807618040), (50, 1626856236), (60, 1355713530), (72, 1129761275), (75, 1084570824), (90, 903809020), (100, 813428118), (120, 677856765), (150, 542285412), (180, 451904510), (181, 449407800), (200, 406714059), (225, 361523608), (300, 271142706), (360, 225952255), (362, 224703900), (450, 180761804), (543, 149802600), (600, 135571353), (724, 112351950), (900, 90380902), (905, 89881560), (1086, 74901300), (1448, 56175975), (1629, 49934200), (1800, 45190451), (1810, 44940780), (2172, 37450650), (2715, 29960520), (3258, 24967100), (3620, 22470390), (4344, 18725325), (4525, 17976312), (5430, 14980260), (6516, 12483550), (7240, 11235195), (8145, 9986840), (9050, 8988156), (10860, 7490130), (13032, 6241775), (13575, 5992104), (16290, 4993420), (18100, 4494078), (21720, 3745065), (27150, 2996052), (32580, 2496710), (36200, 2247039), (40725, 1997368), (54300, 1498026), (65160, 1248355), (81450, 998684), (108600, 749013), (162900, 499342), (249671, 325800)]