128135400

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{83}}^2$

素因数の和:216

約数の個数: 144

約数和(自身を含む): 415032960

約数和(自身を除く): 286897560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 31, 40, 50, 60, 62, 75, 83, 93, 100, 120, 124, 150, 155, 166, 186, 200, 248, 249, 300, 310, 332, 372, 415, 465, 498, 600, 620, 664, 744, 775, 830, 930, 996, 1240, 1245, 1550, 1660, 1860, 1992, 2075, 2325, 2490, 2573, 3100, 3320, 3720, 4150, 4650, 4980, 5146, 6200, 6225, 6889, 7719, 8300, 9300, 9960, 10292, 12450, 12865, 13778, 15438, 16600, 18600, 20584, 20667, 24900, 25730, 27556, 30876, 34445, 38595, 41334, 49800, 51460, 55112, 61752, 64325, 68890, 77190, 82668, 102920, 103335, 128650, 137780, 154380, 165336, 172225, 192975, 206670, 213559, 257300, 275560, 308760, 344450, 385950, 413340, 427118, 514600, 516675, 640677, 688900, 771900, 826680, 854236, 1033350, 1067795, 1281354, 1377800, 1543800, 1708472, 2066700, 2135590, 2562708, 3203385, 4133400, 4271180, 5125416, 5338975, 6406770, 8542360, 10677950, 12813540, 16016925, 21355900, 25627080, 32033850, 42711800, 64067700, 128135400]

約数ペア:

[(1, 128135400), (2, 64067700), (3, 42711800), (4, 32033850), (5, 25627080), (6, 21355900), (8, 16016925), (10, 12813540), (12, 10677950), (15, 8542360), (20, 6406770), (24, 5338975), (25, 5125416), (30, 4271180), (31, 4133400), (40, 3203385), (50, 2562708), (60, 2135590), (62, 2066700), (75, 1708472), (83, 1543800), (93, 1377800), (100, 1281354), (120, 1067795), (124, 1033350), (150, 854236), (155, 826680), (166, 771900), (186, 688900), (200, 640677), (248, 516675), (249, 514600), (300, 427118), (310, 413340), (332, 385950), (372, 344450), (415, 308760), (465, 275560), (498, 257300), (600, 213559), (620, 206670), (664, 192975), (744, 172225), (775, 165336), (830, 154380), (930, 137780), (996, 128650), (1240, 103335), (1245, 102920), (1550, 82668), (1660, 77190), (1860, 68890), (1992, 64325), (2075, 61752), (2325, 55112), (2490, 51460), (2573, 49800), (3100, 41334), (3320, 38595), (3720, 34445), (4150, 30876), (4650, 27556), (4980, 25730), (5146, 24900), (6200, 20667), (6225, 20584), (6889, 18600), (7719, 16600), (8300, 15438), (9300, 13778), (9960, 12865), (10292, 12450)]