20430000

素因数分解:

$2^4\times 3^2\times 5^4\times {\mathrm{227}}^1$

素因数の和:261

約数の個数: 150

約数和(自身を含む): 71761404

約数和(自身を除く): 51331404

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 100, 120, 125, 144, 150, 180, 200, 225, 227, 240, 250, 300, 360, 375, 400, 450, 454, 500, 600, 625, 681, 720, 750, 900, 908, 1000, 1125, 1135, 1200, 1250, 1362, 1500, 1800, 1816, 1875, 2000, 2043, 2250, 2270, 2500, 2724, 3000, 3405, 3600, 3632, 3750, 4086, 4500, 4540, 5000, 5448, 5625, 5675, 6000, 6810, 7500, 8172, 9000, 9080, 10000, 10215, 10896, 11250, 11350, 13620, 15000, 16344, 17025, 18000, 18160, 20430, 22500, 22700, 27240, 28375, 30000, 32688, 34050, 40860, 45000, 45400, 51075, 54480, 56750, 68100, 81720, 85125, 90000, 90800, 102150, 113500, 136200, 141875, 163440, 170250, 204300, 227000, 255375, 272400, 283750, 340500, 408600, 425625, 454000, 510750, 567500, 681000, 817200, 851250, 1021500, 1135000, 1276875, 1362000, 1702500, 2043000, 2270000, 2553750, 3405000, 4086000, 5107500, 6810000, 10215000, 20430000]

約数ペア:

[(1, 20430000), (2, 10215000), (3, 6810000), (4, 5107500), (5, 4086000), (6, 3405000), (8, 2553750), (9, 2270000), (10, 2043000), (12, 1702500), (15, 1362000), (16, 1276875), (18, 1135000), (20, 1021500), (24, 851250), (25, 817200), (30, 681000), (36, 567500), (40, 510750), (45, 454000), (48, 425625), (50, 408600), (60, 340500), (72, 283750), (75, 272400), (80, 255375), (90, 227000), (100, 204300), (120, 170250), (125, 163440), (144, 141875), (150, 136200), (180, 113500), (200, 102150), (225, 90800), (227, 90000), (240, 85125), (250, 81720), (300, 68100), (360, 56750), (375, 54480), (400, 51075), (450, 45400), (454, 45000), (500, 40860), (600, 34050), (625, 32688), (681, 30000), (720, 28375), (750, 27240), (900, 22700), (908, 22500), (1000, 20430), (1125, 18160), (1135, 18000), (1200, 17025), (1250, 16344), (1362, 15000), (1500, 13620), (1800, 11350), (1816, 11250), (1875, 10896), (2000, 10215), (2043, 10000), (2250, 9080), (2270, 9000), (2500, 8172), (2724, 7500), (3000, 6810), (3405, 6000), (3600, 5675), (3632, 5625), (3750, 5448), (4086, 5000), (4500, 4540)]