66228400

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:172

約数の個数: 180

約数和(自身を含む): 192815040

約数和(自身を除く): 126586640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 35, 40, 49, 50, 56, 62, 70, 80, 98, 100, 109, 112, 124, 140, 155, 175, 196, 200, 217, 218, 245, 248, 280, 310, 350, 392, 400, 434, 436, 490, 496, 545, 560, 620, 700, 763, 775, 784, 868, 872, 980, 1085, 1090, 1225, 1240, 1400, 1519, 1526, 1550, 1736, 1744, 1960, 2170, 2180, 2450, 2480, 2725, 2800, 3038, 3052, 3100, 3379, 3472, 3815, 3920, 4340, 4360, 4900, 5341, 5425, 5450, 6076, 6104, 6200, 6758, 7595, 7630, 8680, 8720, 9800, 10682, 10850, 10900, 12152, 12208, 12400, 13516, 15190, 15260, 16895, 17360, 19075, 19600, 21364, 21700, 21800, 23653, 24304, 26705, 27032, 30380, 30520, 33790, 37975, 38150, 42728, 43400, 43600, 47306, 53410, 54064, 60760, 61040, 67580, 75950, 76300, 84475, 85456, 86800, 94612, 106820, 118265, 121520, 133525, 135160, 151900, 152600, 165571, 168950, 189224, 213640, 236530, 267050, 270320, 303800, 305200, 331142, 337900, 378448, 427280, 473060, 534100, 591325, 607600, 662284, 675800, 827855, 946120, 1068200, 1182650, 1324568, 1351600, 1655710, 1892240, 2136400, 2365300, 2649136, 3311420, 4139275, 4730600, 6622840, 8278550, 9461200, 13245680, 16557100, 33114200, 66228400]

約数ペア:

[(1, 66228400), (2, 33114200), (4, 16557100), (5, 13245680), (7, 9461200), (8, 8278550), (10, 6622840), (14, 4730600), (16, 4139275), (20, 3311420), (25, 2649136), (28, 2365300), (31, 2136400), (35, 1892240), (40, 1655710), (49, 1351600), (50, 1324568), (56, 1182650), (62, 1068200), (70, 946120), (80, 827855), (98, 675800), (100, 662284), (109, 607600), (112, 591325), (124, 534100), (140, 473060), (155, 427280), (175, 378448), (196, 337900), (200, 331142), (217, 305200), (218, 303800), (245, 270320), (248, 267050), (280, 236530), (310, 213640), (350, 189224), (392, 168950), (400, 165571), (434, 152600), (436, 151900), (490, 135160), (496, 133525), (545, 121520), (560, 118265), (620, 106820), (700, 94612), (763, 86800), (775, 85456), (784, 84475), (868, 76300), (872, 75950), (980, 67580), (1085, 61040), (1090, 60760), (1225, 54064), (1240, 53410), (1400, 47306), (1519, 43600), (1526, 43400), (1550, 42728), (1736, 38150), (1744, 37975), (1960, 33790), (2170, 30520), (2180, 30380), (2450, 27032), (2480, 26705), (2725, 24304), (2800, 23653), (3038, 21800), (3052, 21700), (3100, 21364), (3379, 19600), (3472, 19075), (3815, 17360), (3920, 16895), (4340, 15260), (4360, 15190), (4900, 13516), (5341, 12400), (5425, 12208), (5450, 12152), (6076, 10900), (6104, 10850), (6200, 10682), (6758, 9800), (7595, 8720), (7630, 8680)]