81781728

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{929}}^1$

素因数の和:1080

約数の個数: 96

約数和(自身を含む): 247484160

約数和(自身を除く): 165702432

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 131, 168, 224, 262, 336, 393, 524, 672, 786, 917, 929, 1048, 1572, 1834, 1858, 2096, 2751, 2787, 3144, 3668, 3716, 4192, 5502, 5574, 6288, 6503, 7336, 7432, 11004, 11148, 12576, 13006, 14672, 14864, 19509, 22008, 22296, 26012, 29344, 29728, 39018, 44016, 44592, 52024, 78036, 88032, 89184, 104048, 121699, 156072, 208096, 243398, 312144, 365097, 486796, 624288, 730194, 851893, 973592, 1460388, 1703786, 1947184, 2555679, 2920776, 3407572, 3894368, 5111358, 5841552, 6815144, 10222716, 11683104, 13630288, 20445432, 27260576, 40890864, 81781728]

約数ペア:

[(1, 81781728), (2, 40890864), (3, 27260576), (4, 20445432), (6, 13630288), (7, 11683104), (8, 10222716), (12, 6815144), (14, 5841552), (16, 5111358), (21, 3894368), (24, 3407572), (28, 2920776), (32, 2555679), (42, 1947184), (48, 1703786), (56, 1460388), (84, 973592), (96, 851893), (112, 730194), (131, 624288), (168, 486796), (224, 365097), (262, 312144), (336, 243398), (393, 208096), (524, 156072), (672, 121699), (786, 104048), (917, 89184), (929, 88032), (1048, 78036), (1572, 52024), (1834, 44592), (1858, 44016), (2096, 39018), (2751, 29728), (2787, 29344), (3144, 26012), (3668, 22296), (3716, 22008), (4192, 19509), (5502, 14864), (5574, 14672), (6288, 13006), (6503, 12576), (7336, 11148), (7432, 11004)]