215958400

素因数分解:

$2^7\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:373

約数の個数: 192

約数和(自身を含む): 631388160

約数和(自身を除く): 415429760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 32, 35, 40, 50, 56, 62, 64, 70, 80, 100, 112, 124, 128, 140, 155, 160, 175, 200, 217, 224, 248, 280, 310, 311, 320, 350, 400, 434, 448, 496, 560, 620, 622, 640, 700, 775, 800, 868, 896, 992, 1085, 1120, 1240, 1244, 1400, 1550, 1555, 1600, 1736, 1984, 2170, 2177, 2240, 2480, 2488, 2800, 3100, 3110, 3200, 3472, 3968, 4340, 4354, 4480, 4960, 4976, 5425, 5600, 6200, 6220, 6944, 7775, 8680, 8708, 9641, 9920, 9952, 10850, 10885, 11200, 12400, 12440, 13888, 15550, 17360, 17416, 19282, 19840, 19904, 21700, 21770, 22400, 24800, 24880, 27776, 31100, 34720, 34832, 38564, 39808, 43400, 43540, 48205, 49600, 49760, 54425, 62200, 67487, 69440, 69664, 77128, 86800, 87080, 96410, 99200, 99520, 108850, 124400, 134974, 138880, 139328, 154256, 173600, 174160, 192820, 199040, 217700, 241025, 248800, 269948, 278656, 308512, 337435, 347200, 348320, 385640, 435400, 482050, 497600, 539896, 617024, 674870, 694400, 696640, 771280, 870800, 964100, 995200, 1079792, 1234048, 1349740, 1393280, 1542560, 1687175, 1741600, 1928200, 2159584, 2699480, 3085120, 3374350, 3483200, 3856400, 4319168, 5398960, 6170240, 6748700, 6966400, 7712800, 8638336, 10797920, 13497400, 15425600, 21595840, 26994800, 30851200, 43191680, 53989600, 107979200, 215958400]

約数ペア:

[(1, 215958400), (2, 107979200), (4, 53989600), (5, 43191680), (7, 30851200), (8, 26994800), (10, 21595840), (14, 15425600), (16, 13497400), (20, 10797920), (25, 8638336), (28, 7712800), (31, 6966400), (32, 6748700), (35, 6170240), (40, 5398960), (50, 4319168), (56, 3856400), (62, 3483200), (64, 3374350), (70, 3085120), (80, 2699480), (100, 2159584), (112, 1928200), (124, 1741600), (128, 1687175), (140, 1542560), (155, 1393280), (160, 1349740), (175, 1234048), (200, 1079792), (217, 995200), (224, 964100), (248, 870800), (280, 771280), (310, 696640), (311, 694400), (320, 674870), (350, 617024), (400, 539896), (434, 497600), (448, 482050), (496, 435400), (560, 385640), (620, 348320), (622, 347200), (640, 337435), (700, 308512), (775, 278656), (800, 269948), (868, 248800), (896, 241025), (992, 217700), (1085, 199040), (1120, 192820), (1240, 174160), (1244, 173600), (1400, 154256), (1550, 139328), (1555, 138880), (1600, 134974), (1736, 124400), (1984, 108850), (2170, 99520), (2177, 99200), (2240, 96410), (2480, 87080), (2488, 86800), (2800, 77128), (3100, 69664), (3110, 69440), (3200, 67487), (3472, 62200), (3968, 54425), (4340, 49760), (4354, 49600), (4480, 48205), (4960, 43540), (4976, 43400), (5425, 39808), (5600, 38564), (6200, 34832), (6220, 34720), (6944, 31100), (7775, 27776), (8680, 24880), (8708, 24800), (9641, 22400), (9920, 21770), (9952, 21700), (10850, 19904), (10885, 19840), (11200, 19282), (12400, 17416), (12440, 17360), (13888, 15550)]