66488800

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{383}}^1$

素因数の和:441

約数の個数: 144

約数和(自身を含む): 191987712

約数和(自身を除く): 125498912

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 32, 35, 40, 50, 56, 62, 70, 80, 100, 112, 124, 140, 155, 160, 175, 200, 217, 224, 248, 280, 310, 350, 383, 400, 434, 496, 560, 620, 700, 766, 775, 800, 868, 992, 1085, 1120, 1240, 1400, 1532, 1550, 1736, 1915, 2170, 2480, 2681, 2800, 3064, 3100, 3472, 3830, 4340, 4960, 5362, 5425, 5600, 6128, 6200, 6944, 7660, 8680, 9575, 10724, 10850, 11873, 12256, 12400, 13405, 15320, 17360, 19150, 21448, 21700, 23746, 24800, 26810, 30640, 34720, 38300, 42896, 43400, 47492, 53620, 59365, 61280, 67025, 76600, 83111, 85792, 86800, 94984, 107240, 118730, 134050, 153200, 166222, 173600, 189968, 214480, 237460, 268100, 296825, 306400, 332444, 379936, 415555, 428960, 474920, 536200, 593650, 664888, 831110, 949840, 1072400, 1187300, 1329776, 1662220, 1899680, 2077775, 2144800, 2374600, 2659552, 3324440, 4155550, 4749200, 6648880, 8311100, 9498400, 13297760, 16622200, 33244400, 66488800]

約数ペア:

[(1, 66488800), (2, 33244400), (4, 16622200), (5, 13297760), (7, 9498400), (8, 8311100), (10, 6648880), (14, 4749200), (16, 4155550), (20, 3324440), (25, 2659552), (28, 2374600), (31, 2144800), (32, 2077775), (35, 1899680), (40, 1662220), (50, 1329776), (56, 1187300), (62, 1072400), (70, 949840), (80, 831110), (100, 664888), (112, 593650), (124, 536200), (140, 474920), (155, 428960), (160, 415555), (175, 379936), (200, 332444), (217, 306400), (224, 296825), (248, 268100), (280, 237460), (310, 214480), (350, 189968), (383, 173600), (400, 166222), (434, 153200), (496, 134050), (560, 118730), (620, 107240), (700, 94984), (766, 86800), (775, 85792), (800, 83111), (868, 76600), (992, 67025), (1085, 61280), (1120, 59365), (1240, 53620), (1400, 47492), (1532, 43400), (1550, 42896), (1736, 38300), (1915, 34720), (2170, 30640), (2480, 26810), (2681, 24800), (2800, 23746), (3064, 21700), (3100, 21448), (3472, 19150), (3830, 17360), (4340, 15320), (4960, 13405), (5362, 12400), (5425, 12256), (5600, 11873), (6128, 10850), (6200, 10724), (6944, 9575), (7660, 8680)]