81380376

素因数分解:

$2^3\times 3^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{233}}^1$

素因数の和:276

約数の個数: 240

約数和(自身を含む): 290501640

約数和(自身を除く): 209121264

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 18, 21, 22, 24, 27, 28, 33, 36, 42, 44, 49, 54, 56, 63, 66, 72, 77, 81, 84, 88, 98, 99, 108, 126, 132, 147, 154, 162, 168, 189, 196, 198, 216, 231, 233, 252, 264, 294, 297, 308, 324, 378, 392, 396, 441, 462, 466, 504, 539, 567, 588, 594, 616, 648, 693, 699, 756, 792, 882, 891, 924, 932, 1078, 1134, 1176, 1188, 1323, 1386, 1398, 1512, 1617, 1631, 1764, 1782, 1848, 1864, 2079, 2097, 2156, 2268, 2376, 2563, 2646, 2772, 2796, 3234, 3262, 3528, 3564, 3969, 4158, 4194, 4312, 4536, 4851, 4893, 5126, 5292, 5544, 5592, 6237, 6291, 6468, 6524, 7128, 7689, 7938, 8316, 8388, 9702, 9786, 10252, 10584, 11417, 12474, 12582, 12936, 13048, 14553, 14679, 15378, 15876, 16632, 16776, 17941, 18873, 19404, 19572, 20504, 22834, 23067, 24948, 25164, 29106, 29358, 30756, 31752, 34251, 35882, 37746, 38808, 39144, 43659, 44037, 45668, 46134, 49896, 50328, 53823, 58212, 58716, 61512, 68502, 69201, 71764, 75492, 87318, 88074, 91336, 92268, 102753, 107646, 116424, 117432, 125587, 132111, 137004, 138402, 143528, 150984, 161469, 174636, 176148, 184536, 205506, 207603, 215292, 251174, 264222, 274008, 276804, 308259, 322938, 349272, 352296, 376761, 411012, 415206, 430584, 484407, 502348, 528444, 553608, 616518, 645876, 753522, 822024, 830412, 924777, 968814, 1004696, 1056888, 1130283, 1233036, 1291752, 1453221, 1507044, 1660824, 1849554, 1937628, 2260566, 2466072, 2906442, 3014088, 3390849, 3699108, 3875256, 4521132, 5812884, 6781698, 7398216, 9042264, 10172547, 11625768, 13563396, 20345094, 27126792, 40690188, 81380376]

約数ペア:

[(1, 81380376), (2, 40690188), (3, 27126792), (4, 20345094), (6, 13563396), (7, 11625768), (8, 10172547), (9, 9042264), (11, 7398216), (12, 6781698), (14, 5812884), (18, 4521132), (21, 3875256), (22, 3699108), (24, 3390849), (27, 3014088), (28, 2906442), (33, 2466072), (36, 2260566), (42, 1937628), (44, 1849554), (49, 1660824), (54, 1507044), (56, 1453221), (63, 1291752), (66, 1233036), (72, 1130283), (77, 1056888), (81, 1004696), (84, 968814), (88, 924777), (98, 830412), (99, 822024), (108, 753522), (126, 645876), (132, 616518), (147, 553608), (154, 528444), (162, 502348), (168, 484407), (189, 430584), (196, 415206), (198, 411012), (216, 376761), (231, 352296), (233, 349272), (252, 322938), (264, 308259), (294, 276804), (297, 274008), (308, 264222), (324, 251174), (378, 215292), (392, 207603), (396, 205506), (441, 184536), (462, 176148), (466, 174636), (504, 161469), (539, 150984), (567, 143528), (588, 138402), (594, 137004), (616, 132111), (648, 125587), (693, 117432), (699, 116424), (756, 107646), (792, 102753), (882, 92268), (891, 91336), (924, 88074), (932, 87318), (1078, 75492), (1134, 71764), (1176, 69201), (1188, 68502), (1323, 61512), (1386, 58716), (1398, 58212), (1512, 53823), (1617, 50328), (1631, 49896), (1764, 46134), (1782, 45668), (1848, 44037), (1864, 43659), (2079, 39144), (2097, 38808), (2156, 37746), (2268, 35882), (2376, 34251), (2563, 31752), (2646, 30756), (2772, 29358), (2796, 29106), (3234, 25164), (3262, 24948), (3528, 23067), (3564, 22834), (3969, 20504), (4158, 19572), (4194, 19404), (4312, 18873), (4536, 17941), (4851, 16776), (4893, 16632), (5126, 15876), (5292, 15378), (5544, 14679), (5592, 14553), (6237, 13048), (6291, 12936), (6468, 12582), (6524, 12474), (7128, 11417), (7689, 10584), (7938, 10252), (8316, 9786), (8388, 9702)]