135681280

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{797}}^1$

素因数の和:844

約数の個数: 144

約数和(自身を含む): 391466880

約数和(自身を除く): 255785600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 152, 160, 190, 224, 256, 266, 280, 304, 320, 380, 448, 532, 560, 608, 640, 665, 760, 797, 896, 1064, 1120, 1216, 1280, 1330, 1520, 1594, 1792, 2128, 2240, 2432, 2660, 3040, 3188, 3985, 4256, 4480, 4864, 5320, 5579, 6080, 6376, 7970, 8512, 8960, 10640, 11158, 12160, 12752, 15143, 15940, 17024, 21280, 22316, 24320, 25504, 27895, 30286, 31880, 34048, 42560, 44632, 51008, 55790, 60572, 63760, 75715, 85120, 89264, 102016, 106001, 111580, 121144, 127520, 151430, 170240, 178528, 204032, 212002, 223160, 242288, 255040, 302860, 357056, 424004, 446320, 484576, 510080, 530005, 605720, 714112, 848008, 892640, 969152, 1020160, 1060010, 1211440, 1428224, 1696016, 1785280, 1938304, 2120020, 2422880, 3392032, 3570560, 3876608, 4240040, 4845760, 6784064, 7141120, 8480080, 9691520, 13568128, 16960160, 19383040, 27136256, 33920320, 67840640, 135681280]

約数ペア:

[(1, 135681280), (2, 67840640), (4, 33920320), (5, 27136256), (7, 19383040), (8, 16960160), (10, 13568128), (14, 9691520), (16, 8480080), (19, 7141120), (20, 6784064), (28, 4845760), (32, 4240040), (35, 3876608), (38, 3570560), (40, 3392032), (56, 2422880), (64, 2120020), (70, 1938304), (76, 1785280), (80, 1696016), (95, 1428224), (112, 1211440), (128, 1060010), (133, 1020160), (140, 969152), (152, 892640), (160, 848008), (190, 714112), (224, 605720), (256, 530005), (266, 510080), (280, 484576), (304, 446320), (320, 424004), (380, 357056), (448, 302860), (532, 255040), (560, 242288), (608, 223160), (640, 212002), (665, 204032), (760, 178528), (797, 170240), (896, 151430), (1064, 127520), (1120, 121144), (1216, 111580), (1280, 106001), (1330, 102016), (1520, 89264), (1594, 85120), (1792, 75715), (2128, 63760), (2240, 60572), (2432, 55790), (2660, 51008), (3040, 44632), (3188, 42560), (3985, 34048), (4256, 31880), (4480, 30286), (4864, 27895), (5320, 25504), (5579, 24320), (6080, 22316), (6376, 21280), (7970, 17024), (8512, 15940), (8960, 15143), (10640, 12752), (11158, 12160)]