81308160

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{3529}}^1$

素因数の和:3558

約数の個数: 120

約数和(自身を含む): 281672820

約数和(自身を除く): 200364660

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1536, 1920, 2304, 2560, 2880, 3529, 3840, 4608, 5760, 7058, 7680, 10587, 11520, 14116, 17645, 21174, 23040, 28232, 31761, 35290, 42348, 52935, 56464, 63522, 70580, 84696, 105870, 112928, 127044, 141160, 158805, 169392, 211740, 225856, 254088, 282320, 317610, 338784, 423480, 451712, 508176, 564640, 635220, 677568, 846960, 903424, 1016352, 1129280, 1270440, 1355136, 1693920, 1806848, 2032704, 2258560, 2540880, 2710272, 3387840, 4065408, 4517120, 5081760, 5420544, 6775680, 8130816, 9034240, 10163520, 13551360, 16261632, 20327040, 27102720, 40654080, 81308160]

約数ペア:

[(1, 81308160), (2, 40654080), (3, 27102720), (4, 20327040), (5, 16261632), (6, 13551360), (8, 10163520), (9, 9034240), (10, 8130816), (12, 6775680), (15, 5420544), (16, 5081760), (18, 4517120), (20, 4065408), (24, 3387840), (30, 2710272), (32, 2540880), (36, 2258560), (40, 2032704), (45, 1806848), (48, 1693920), (60, 1355136), (64, 1270440), (72, 1129280), (80, 1016352), (90, 903424), (96, 846960), (120, 677568), (128, 635220), (144, 564640), (160, 508176), (180, 451712), (192, 423480), (240, 338784), (256, 317610), (288, 282320), (320, 254088), (360, 225856), (384, 211740), (480, 169392), (512, 158805), (576, 141160), (640, 127044), (720, 112928), (768, 105870), (960, 84696), (1152, 70580), (1280, 63522), (1440, 56464), (1536, 52935), (1920, 42348), (2304, 35290), (2560, 31761), (2880, 28232), (3529, 23040), (3840, 21174), (4608, 17645), (5760, 14116), (7058, 11520), (7680, 10587)]