127868800

素因数分解:

$2^7\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1289}}^1$

素因数の和:1344

約数の個数: 96

約数和(自身を含む): 326318400

約数和(自身を除く): 198449600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 128, 155, 160, 200, 248, 310, 320, 400, 496, 620, 640, 775, 800, 992, 1240, 1289, 1550, 1600, 1984, 2480, 2578, 3100, 3200, 3968, 4960, 5156, 6200, 6445, 9920, 10312, 12400, 12890, 19840, 20624, 24800, 25780, 32225, 39959, 41248, 49600, 51560, 64450, 79918, 82496, 99200, 103120, 128900, 159836, 164992, 199795, 206240, 257800, 319672, 399590, 412480, 515600, 639344, 799180, 824960, 998975, 1031200, 1278688, 1598360, 1997950, 2062400, 2557376, 3196720, 3995900, 4124800, 5114752, 6393440, 7991800, 12786880, 15983600, 25573760, 31967200, 63934400, 127868800]

約数ペア:

[(1, 127868800), (2, 63934400), (4, 31967200), (5, 25573760), (8, 15983600), (10, 12786880), (16, 7991800), (20, 6393440), (25, 5114752), (31, 4124800), (32, 3995900), (40, 3196720), (50, 2557376), (62, 2062400), (64, 1997950), (80, 1598360), (100, 1278688), (124, 1031200), (128, 998975), (155, 824960), (160, 799180), (200, 639344), (248, 515600), (310, 412480), (320, 399590), (400, 319672), (496, 257800), (620, 206240), (640, 199795), (775, 164992), (800, 159836), (992, 128900), (1240, 103120), (1289, 99200), (1550, 82496), (1600, 79918), (1984, 64450), (2480, 51560), (2578, 49600), (3100, 41248), (3200, 39959), (3968, 32225), (4960, 25780), (5156, 24800), (6200, 20624), (6445, 19840), (9920, 12890), (10312, 12400)]