81381168

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{619}}^1$

素因数の和:727

約数の個数: 120

約数和(自身を含む): 251858880

約数和(自身を除く): 170477712

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 72, 83, 88, 99, 132, 144, 166, 176, 198, 249, 264, 332, 396, 498, 528, 619, 664, 747, 792, 913, 996, 1238, 1328, 1494, 1584, 1826, 1857, 1992, 2476, 2739, 2988, 3652, 3714, 3984, 4952, 5478, 5571, 5976, 6809, 7304, 7428, 8217, 9904, 10956, 11142, 11952, 13618, 14608, 14856, 16434, 20427, 21912, 22284, 27236, 29712, 32868, 40854, 43824, 44568, 51377, 54472, 61281, 65736, 81708, 89136, 102754, 108944, 122562, 131472, 154131, 163416, 205508, 245124, 308262, 326832, 411016, 462393, 490248, 565147, 616524, 822032, 924786, 980496, 1130294, 1233048, 1695441, 1849572, 2260588, 2466096, 3390882, 3699144, 4521176, 5086323, 6781764, 7398288, 9042352, 10172646, 13563528, 20345292, 27127056, 40690584, 81381168]

約数ペア:

[(1, 81381168), (2, 40690584), (3, 27127056), (4, 20345292), (6, 13563528), (8, 10172646), (9, 9042352), (11, 7398288), (12, 6781764), (16, 5086323), (18, 4521176), (22, 3699144), (24, 3390882), (33, 2466096), (36, 2260588), (44, 1849572), (48, 1695441), (66, 1233048), (72, 1130294), (83, 980496), (88, 924786), (99, 822032), (132, 616524), (144, 565147), (166, 490248), (176, 462393), (198, 411016), (249, 326832), (264, 308262), (332, 245124), (396, 205508), (498, 163416), (528, 154131), (619, 131472), (664, 122562), (747, 108944), (792, 102754), (913, 89136), (996, 81708), (1238, 65736), (1328, 61281), (1494, 54472), (1584, 51377), (1826, 44568), (1857, 43824), (1992, 40854), (2476, 32868), (2739, 29712), (2988, 27236), (3652, 22284), (3714, 21912), (3984, 20427), (4952, 16434), (5478, 14856), (5571, 14608), (5976, 13618), (6809, 11952), (7304, 11142), (7428, 10956), (8217, 9904)]