168912800

素因数分解:

$2^5\times 5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:204

約数の個数: 216

約数和(自身を含む): 498718080

約数和(自身を除く): 329805280

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, 139, 140, 155, 160, 175, 196, 200, 217, 224, 245, 248, 278, 280, 310, 350, 392, 400, 434, 490, 496, 556, 560, 620, 695, 700, 775, 784, 800, 868, 973, 980, 992, 1085, 1112, 1120, 1225, 1240, 1390, 1400, 1519, 1550, 1568, 1736, 1946, 1960, 2170, 2224, 2450, 2480, 2780, 2800, 3038, 3100, 3472, 3475, 3892, 3920, 4309, 4340, 4448, 4865, 4900, 4960, 5425, 5560, 5600, 6076, 6200, 6811, 6944, 6950, 7595, 7784, 7840, 8618, 8680, 9730, 9800, 10850, 11120, 12152, 12400, 13622, 13900, 15190, 15568, 17236, 17360, 19460, 19600, 21545, 21700, 22240, 24304, 24325, 24800, 27244, 27800, 30163, 30380, 31136, 34055, 34472, 34720, 37975, 38920, 39200, 43090, 43400, 48608, 48650, 54488, 55600, 60326, 60760, 68110, 68944, 75950, 77840, 86180, 86800, 97300, 107725, 108976, 111200, 120652, 121520, 136220, 137888, 150815, 151900, 155680, 170275, 172360, 173600, 194600, 211141, 215450, 217952, 241304, 243040, 272440, 301630, 303800, 340550, 344720, 389200, 422282, 430900, 482608, 544880, 603260, 607600, 681100, 689440, 754075, 778400, 844564, 861800, 965216, 1055705, 1089760, 1206520, 1215200, 1362200, 1508150, 1689128, 1723600, 2111410, 2413040, 2724400, 3016300, 3378256, 3447200, 4222820, 4826080, 5278525, 5448800, 6032600, 6756512, 8445640, 10557050, 12065200, 16891280, 21114100, 24130400, 33782560, 42228200, 84456400, 168912800]

約数ペア:

[(1, 168912800), (2, 84456400), (4, 42228200), (5, 33782560), (7, 24130400), (8, 21114100), (10, 16891280), (14, 12065200), (16, 10557050), (20, 8445640), (25, 6756512), (28, 6032600), (31, 5448800), (32, 5278525), (35, 4826080), (40, 4222820), (49, 3447200), (50, 3378256), (56, 3016300), (62, 2724400), (70, 2413040), (80, 2111410), (98, 1723600), (100, 1689128), (112, 1508150), (124, 1362200), (139, 1215200), (140, 1206520), (155, 1089760), (160, 1055705), (175, 965216), (196, 861800), (200, 844564), (217, 778400), (224, 754075), (245, 689440), (248, 681100), (278, 607600), (280, 603260), (310, 544880), (350, 482608), (392, 430900), (400, 422282), (434, 389200), (490, 344720), (496, 340550), (556, 303800), (560, 301630), (620, 272440), (695, 243040), (700, 241304), (775, 217952), (784, 215450), (800, 211141), (868, 194600), (973, 173600), (980, 172360), (992, 170275), (1085, 155680), (1112, 151900), (1120, 150815), (1225, 137888), (1240, 136220), (1390, 121520), (1400, 120652), (1519, 111200), (1550, 108976), (1568, 107725), (1736, 97300), (1946, 86800), (1960, 86180), (2170, 77840), (2224, 75950), (2450, 68944), (2480, 68110), (2780, 60760), (2800, 60326), (3038, 55600), (3100, 54488), (3472, 48650), (3475, 48608), (3892, 43400), (3920, 43090), (4309, 39200), (4340, 38920), (4448, 37975), (4865, 34720), (4900, 34472), (4960, 34055), (5425, 31136), (5560, 30380), (5600, 30163), (6076, 27800), (6200, 27244), (6811, 24800), (6944, 24325), (6950, 24304), (7595, 22240), (7784, 21700), (7840, 21545), (8618, 19600), (8680, 19460), (9730, 17360), (9800, 17236), (10850, 15568), (11120, 15190), (12152, 13900), (12400, 13622)]