217520800

素因数分解:

$2^5\times 5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:244

約数の個数: 216

約数和(自身を含む): 641208960

約数和(自身を除く): 423688160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 32, 35, 40, 49, 50, 56, 62, 70, 80, 98, 100, 112, 124, 140, 155, 160, 175, 179, 196, 200, 217, 224, 245, 248, 280, 310, 350, 358, 392, 400, 434, 490, 496, 560, 620, 700, 716, 775, 784, 800, 868, 895, 980, 992, 1085, 1120, 1225, 1240, 1253, 1400, 1432, 1519, 1550, 1568, 1736, 1790, 1960, 2170, 2450, 2480, 2506, 2800, 2864, 3038, 3100, 3472, 3580, 3920, 4340, 4475, 4900, 4960, 5012, 5425, 5549, 5600, 5728, 6076, 6200, 6265, 6944, 7160, 7595, 7840, 8680, 8771, 8950, 9800, 10024, 10850, 11098, 12152, 12400, 12530, 14320, 15190, 17360, 17542, 17900, 19600, 20048, 21700, 22196, 24304, 24800, 25060, 27745, 28640, 30380, 31325, 34720, 35084, 35800, 37975, 38843, 39200, 40096, 43400, 43855, 44392, 48608, 50120, 55490, 60760, 62650, 70168, 71600, 75950, 77686, 86800, 87710, 88784, 100240, 110980, 121520, 125300, 138725, 140336, 143200, 151900, 155372, 173600, 175420, 177568, 194215, 200480, 219275, 221960, 243040, 250600, 271901, 277450, 280672, 303800, 310744, 350840, 388430, 438550, 443920, 501200, 543802, 554900, 607600, 621488, 701680, 776860, 877100, 887840, 971075, 1002400, 1087604, 1109800, 1215200, 1242976, 1359505, 1403360, 1553720, 1754200, 1942150, 2175208, 2219600, 2719010, 3107440, 3508400, 3884300, 4350416, 4439200, 5438020, 6214880, 6797525, 7016800, 7768600, 8700832, 10876040, 13595050, 15537200, 21752080, 27190100, 31074400, 43504160, 54380200, 108760400, 217520800]

約数ペア:

[(1, 217520800), (2, 108760400), (4, 54380200), (5, 43504160), (7, 31074400), (8, 27190100), (10, 21752080), (14, 15537200), (16, 13595050), (20, 10876040), (25, 8700832), (28, 7768600), (31, 7016800), (32, 6797525), (35, 6214880), (40, 5438020), (49, 4439200), (50, 4350416), (56, 3884300), (62, 3508400), (70, 3107440), (80, 2719010), (98, 2219600), (100, 2175208), (112, 1942150), (124, 1754200), (140, 1553720), (155, 1403360), (160, 1359505), (175, 1242976), (179, 1215200), (196, 1109800), (200, 1087604), (217, 1002400), (224, 971075), (245, 887840), (248, 877100), (280, 776860), (310, 701680), (350, 621488), (358, 607600), (392, 554900), (400, 543802), (434, 501200), (490, 443920), (496, 438550), (560, 388430), (620, 350840), (700, 310744), (716, 303800), (775, 280672), (784, 277450), (800, 271901), (868, 250600), (895, 243040), (980, 221960), (992, 219275), (1085, 200480), (1120, 194215), (1225, 177568), (1240, 175420), (1253, 173600), (1400, 155372), (1432, 151900), (1519, 143200), (1550, 140336), (1568, 138725), (1736, 125300), (1790, 121520), (1960, 110980), (2170, 100240), (2450, 88784), (2480, 87710), (2506, 86800), (2800, 77686), (2864, 75950), (3038, 71600), (3100, 70168), (3472, 62650), (3580, 60760), (3920, 55490), (4340, 50120), (4475, 48608), (4900, 44392), (4960, 43855), (5012, 43400), (5425, 40096), (5549, 39200), (5600, 38843), (5728, 37975), (6076, 35800), (6200, 35084), (6265, 34720), (6944, 31325), (7160, 30380), (7595, 28640), (7840, 27745), (8680, 25060), (8771, 24800), (8950, 24304), (9800, 22196), (10024, 21700), (10850, 20048), (11098, 19600), (12152, 17900), (12400, 17542), (12530, 17360), (14320, 15190)]