81984144

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:245

約数の個数: 160

約数和(自身を含む): 248269824

約数和(自身を除く): 166285680

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 23, 24, 33, 43, 44, 46, 48, 66, 69, 86, 88, 92, 129, 132, 138, 157, 172, 176, 184, 253, 258, 264, 276, 314, 344, 368, 471, 473, 506, 516, 528, 552, 628, 688, 759, 942, 946, 989, 1012, 1032, 1104, 1256, 1419, 1518, 1727, 1884, 1892, 1978, 2024, 2064, 2512, 2838, 2967, 3036, 3454, 3611, 3768, 3784, 3956, 4048, 5181, 5676, 5934, 6072, 6751, 6908, 7222, 7536, 7568, 7912, 10362, 10833, 10879, 11352, 11868, 12144, 13502, 13816, 14444, 15824, 20253, 20724, 21666, 21758, 22704, 23736, 27004, 27632, 28888, 32637, 39721, 40506, 41448, 43332, 43516, 47472, 54008, 57776, 65274, 74261, 79442, 81012, 82896, 86664, 87032, 108016, 119163, 130548, 148522, 155273, 158884, 162024, 173328, 174064, 222783, 238326, 261096, 297044, 310546, 317768, 324048, 445566, 465819, 476652, 522192, 594088, 621092, 635536, 891132, 931638, 953304, 1188176, 1242184, 1708003, 1782264, 1863276, 1906608, 2484368, 3416006, 3564528, 3726552, 5124009, 6832012, 7453104, 10248018, 13664024, 20496036, 27328048, 40992072, 81984144]

約数ペア:

[(1, 81984144), (2, 40992072), (3, 27328048), (4, 20496036), (6, 13664024), (8, 10248018), (11, 7453104), (12, 6832012), (16, 5124009), (22, 3726552), (23, 3564528), (24, 3416006), (33, 2484368), (43, 1906608), (44, 1863276), (46, 1782264), (48, 1708003), (66, 1242184), (69, 1188176), (86, 953304), (88, 931638), (92, 891132), (129, 635536), (132, 621092), (138, 594088), (157, 522192), (172, 476652), (176, 465819), (184, 445566), (253, 324048), (258, 317768), (264, 310546), (276, 297044), (314, 261096), (344, 238326), (368, 222783), (471, 174064), (473, 173328), (506, 162024), (516, 158884), (528, 155273), (552, 148522), (628, 130548), (688, 119163), (759, 108016), (942, 87032), (946, 86664), (989, 82896), (1012, 81012), (1032, 79442), (1104, 74261), (1256, 65274), (1419, 57776), (1518, 54008), (1727, 47472), (1884, 43516), (1892, 43332), (1978, 41448), (2024, 40506), (2064, 39721), (2512, 32637), (2838, 28888), (2967, 27632), (3036, 27004), (3454, 23736), (3611, 22704), (3768, 21758), (3784, 21666), (3956, 20724), (4048, 20253), (5181, 15824), (5676, 14444), (5934, 13816), (6072, 13502), (6751, 12144), (6908, 11868), (7222, 11352), (7536, 10879), (7568, 10833), (7912, 10362)]