180370400

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1039}}^1$

素因数の和:1097

約数の個数: 144

約数和(自身を含む): 519966720

約数和(自身を除く): 339596320

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, 400, 434, 496, 560, 620, 700, 775, 800, 868, 992, 1039, 1085, 1120, 1240, 1400, 1550, 1736, 2078, 2170, 2480, 2800, 3100, 3472, 4156, 4340, 4960, 5195, 5425, 5600, 6200, 6944, 7273, 8312, 8680, 10390, 10850, 12400, 14546, 16624, 17360, 20780, 21700, 24800, 25975, 29092, 32209, 33248, 34720, 36365, 41560, 43400, 51950, 58184, 64418, 72730, 83120, 86800, 103900, 116368, 128836, 145460, 161045, 166240, 173600, 181825, 207800, 225463, 232736, 257672, 290920, 322090, 363650, 415600, 450926, 515344, 581840, 644180, 727300, 805225, 831200, 901852, 1030688, 1127315, 1163680, 1288360, 1454600, 1610450, 1803704, 2254630, 2576720, 2909200, 3220900, 3607408, 4509260, 5153440, 5636575, 5818400, 6441800, 7214816, 9018520, 11273150, 12883600, 18037040, 22546300, 25767200, 36074080, 45092600, 90185200, 180370400]

約数ペア:

[(1, 180370400), (2, 90185200), (4, 45092600), (5, 36074080), (7, 25767200), (8, 22546300), (10, 18037040), (14, 12883600), (16, 11273150), (20, 9018520), (25, 7214816), (28, 6441800), (31, 5818400), (32, 5636575), (35, 5153440), (40, 4509260), (50, 3607408), (56, 3220900), (62, 2909200), (70, 2576720), (80, 2254630), (100, 1803704), (112, 1610450), (124, 1454600), (140, 1288360), (155, 1163680), (160, 1127315), (175, 1030688), (200, 901852), (217, 831200), (224, 805225), (248, 727300), (280, 644180), (310, 581840), (350, 515344), (400, 450926), (434, 415600), (496, 363650), (560, 322090), (620, 290920), (700, 257672), (775, 232736), (800, 225463), (868, 207800), (992, 181825), (1039, 173600), (1085, 166240), (1120, 161045), (1240, 145460), (1400, 128836), (1550, 116368), (1736, 103900), (2078, 86800), (2170, 83120), (2480, 72730), (2800, 64418), (3100, 58184), (3472, 51950), (4156, 43400), (4340, 41560), (4960, 36365), (5195, 34720), (5425, 33248), (5600, 32209), (6200, 29092), (6944, 25975), (7273, 24800), (8312, 21700), (8680, 20780), (10390, 17360), (10850, 16624), (12400, 14546)]