81333120

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3851}}^1$

素因数の和:3884

約数の個数: 128

約数和(自身を含む): 282890880

約数和(自身を除く): 201557760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 240, 264, 320, 330, 352, 384, 440, 480, 528, 640, 660, 704, 880, 960, 1056, 1320, 1408, 1760, 1920, 2112, 2640, 3520, 3851, 4224, 5280, 7040, 7702, 10560, 11553, 15404, 19255, 21120, 23106, 30808, 38510, 42361, 46212, 57765, 61616, 77020, 84722, 92424, 115530, 123232, 127083, 154040, 169444, 184848, 211805, 231060, 246464, 254166, 308080, 338888, 369696, 423610, 462120, 492928, 508332, 616160, 635415, 677776, 739392, 847220, 924240, 1016664, 1232320, 1270830, 1355552, 1478784, 1694440, 1848480, 2033328, 2464640, 2541660, 2711104, 3388880, 3696960, 4066656, 5083320, 5422208, 6777760, 7393920, 8133312, 10166640, 13555520, 16266624, 20333280, 27111040, 40666560, 81333120]

約数ペア:

[(1, 81333120), (2, 40666560), (3, 27111040), (4, 20333280), (5, 16266624), (6, 13555520), (8, 10166640), (10, 8133312), (11, 7393920), (12, 6777760), (15, 5422208), (16, 5083320), (20, 4066656), (22, 3696960), (24, 3388880), (30, 2711104), (32, 2541660), (33, 2464640), (40, 2033328), (44, 1848480), (48, 1694440), (55, 1478784), (60, 1355552), (64, 1270830), (66, 1232320), (80, 1016664), (88, 924240), (96, 847220), (110, 739392), (120, 677776), (128, 635415), (132, 616160), (160, 508332), (165, 492928), (176, 462120), (192, 423610), (220, 369696), (240, 338888), (264, 308080), (320, 254166), (330, 246464), (352, 231060), (384, 211805), (440, 184848), (480, 169444), (528, 154040), (640, 127083), (660, 123232), (704, 115530), (880, 92424), (960, 84722), (1056, 77020), (1320, 61616), (1408, 57765), (1760, 46212), (1920, 42361), (2112, 38510), (2640, 30808), (3520, 23106), (3851, 21120), (4224, 19255), (5280, 15404), (7040, 11553), (7702, 10560)]