81907488

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1$

素因数の和:327

約数の個数: 144

約数和(自身を含む): 254270016

約数和(自身を除く): 172362528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 131, 144, 156, 167, 208, 234, 262, 288, 312, 334, 393, 416, 468, 501, 524, 624, 668, 786, 936, 1002, 1048, 1179, 1248, 1336, 1503, 1572, 1703, 1872, 2004, 2096, 2171, 2358, 2672, 3006, 3144, 3406, 3744, 4008, 4192, 4342, 4716, 5109, 5344, 6012, 6288, 6513, 6812, 8016, 8684, 9432, 10218, 12024, 12576, 13026, 13624, 15327, 16032, 17368, 18864, 19539, 20436, 21877, 24048, 26052, 27248, 30654, 34736, 37728, 39078, 40872, 43754, 48096, 52104, 54496, 61308, 65631, 69472, 78156, 81744, 87508, 104208, 122616, 131262, 156312, 163488, 175016, 196893, 208416, 245232, 262524, 284401, 312624, 350032, 393786, 490464, 525048, 568802, 625248, 700064, 787572, 853203, 1050096, 1137604, 1575144, 1706406, 2100192, 2275208, 2559609, 3150288, 3412812, 4550416, 5119218, 6300576, 6825624, 9100832, 10238436, 13651248, 20476872, 27302496, 40953744, 81907488]

約数ペア:

[(1, 81907488), (2, 40953744), (3, 27302496), (4, 20476872), (6, 13651248), (8, 10238436), (9, 9100832), (12, 6825624), (13, 6300576), (16, 5119218), (18, 4550416), (24, 3412812), (26, 3150288), (32, 2559609), (36, 2275208), (39, 2100192), (48, 1706406), (52, 1575144), (72, 1137604), (78, 1050096), (96, 853203), (104, 787572), (117, 700064), (131, 625248), (144, 568802), (156, 525048), (167, 490464), (208, 393786), (234, 350032), (262, 312624), (288, 284401), (312, 262524), (334, 245232), (393, 208416), (416, 196893), (468, 175016), (501, 163488), (524, 156312), (624, 131262), (668, 122616), (786, 104208), (936, 87508), (1002, 81744), (1048, 78156), (1179, 69472), (1248, 65631), (1336, 61308), (1503, 54496), (1572, 52104), (1703, 48096), (1872, 43754), (2004, 40872), (2096, 39078), (2171, 37728), (2358, 34736), (2672, 30654), (3006, 27248), (3144, 26052), (3406, 24048), (3744, 21877), (4008, 20436), (4192, 19539), (4342, 18864), (4716, 17368), (5109, 16032), (5344, 15327), (6012, 13624), (6288, 13026), (6513, 12576), (6812, 12024), (8016, 10218), (8684, 9432)]