1981679904

素因数分解:

$2^5\times 3^4\times {\mathrm{67}}^1\times {\mathrm{11411}}^1$

素因数の和:11500

約数の個数: 120

約数和(自身を含む): 5915569968

約数和(自身を除く): 3933890064

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 67, 72, 81, 96, 108, 134, 144, 162, 201, 216, 268, 288, 324, 402, 432, 536, 603, 648, 804, 864, 1072, 1206, 1296, 1608, 1809, 2144, 2412, 2592, 3216, 3618, 4824, 5427, 6432, 7236, 9648, 10854, 11411, 14472, 19296, 21708, 22822, 28944, 34233, 43416, 45644, 57888, 68466, 86832, 91288, 102699, 136932, 173664, 182576, 205398, 273864, 308097, 365152, 410796, 547728, 616194, 764537, 821592, 924291, 1095456, 1232388, 1529074, 1643184, 1848582, 2293611, 2464776, 3058148, 3286368, 3697164, 4587222, 4929552, 6116296, 6880833, 7394328, 9174444, 9859104, 12232592, 13761666, 14788656, 18348888, 20642499, 24465184, 27523332, 29577312, 36697776, 41284998, 55046664, 61927497, 73395552, 82569996, 110093328, 123854994, 165139992, 220186656, 247709988, 330279984, 495419976, 660559968, 990839952, 1981679904]

約数ペア:

[(1, 1981679904), (2, 990839952), (3, 660559968), (4, 495419976), (6, 330279984), (8, 247709988), (9, 220186656), (12, 165139992), (16, 123854994), (18, 110093328), (24, 82569996), (27, 73395552), (32, 61927497), (36, 55046664), (48, 41284998), (54, 36697776), (67, 29577312), (72, 27523332), (81, 24465184), (96, 20642499), (108, 18348888), (134, 14788656), (144, 13761666), (162, 12232592), (201, 9859104), (216, 9174444), (268, 7394328), (288, 6880833), (324, 6116296), (402, 4929552), (432, 4587222), (536, 3697164), (603, 3286368), (648, 3058148), (804, 2464776), (864, 2293611), (1072, 1848582), (1206, 1643184), (1296, 1529074), (1608, 1232388), (1809, 1095456), (2144, 924291), (2412, 821592), (2592, 764537), (3216, 616194), (3618, 547728), (4824, 410796), (5427, 365152), (6432, 308097), (7236, 273864), (9648, 205398), (10854, 182576), (11411, 173664), (14472, 136932), (19296, 102699), (21708, 91288), (22822, 86832), (28944, 68466), (34233, 57888), (43416, 45644)]