81121488

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:265

約数の個数: 160

約数和(自身を含む): 256650240

約数和(自身を除く): 175528752

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 38, 42, 48, 56, 57, 76, 84, 97, 112, 114, 131, 133, 152, 168, 194, 228, 262, 266, 291, 304, 336, 388, 393, 399, 456, 524, 532, 582, 679, 776, 786, 798, 912, 917, 1048, 1064, 1164, 1358, 1552, 1572, 1596, 1834, 1843, 2037, 2096, 2128, 2328, 2489, 2716, 2751, 3144, 3192, 3668, 3686, 4074, 4656, 4978, 5432, 5502, 5529, 6288, 6384, 7336, 7372, 7467, 8148, 9956, 10864, 11004, 11058, 12707, 12901, 14672, 14744, 14934, 16296, 17423, 19912, 22008, 22116, 25414, 25802, 29488, 29868, 32592, 34846, 38121, 38703, 39824, 44016, 44232, 50828, 51604, 52269, 59736, 69692, 76242, 77406, 88464, 88949, 101656, 103208, 104538, 119472, 139384, 152484, 154812, 177898, 203312, 206416, 209076, 241433, 266847, 278768, 304968, 309624, 355796, 418152, 482866, 533694, 609936, 619248, 711592, 724299, 836304, 965732, 1067388, 1423184, 1448598, 1690031, 1931464, 2134776, 2897196, 3380062, 3862928, 4269552, 5070093, 5794392, 6760124, 10140186, 11588784, 13520248, 20280372, 27040496, 40560744, 81121488]

約数ペア:

[(1, 81121488), (2, 40560744), (3, 27040496), (4, 20280372), (6, 13520248), (7, 11588784), (8, 10140186), (12, 6760124), (14, 5794392), (16, 5070093), (19, 4269552), (21, 3862928), (24, 3380062), (28, 2897196), (38, 2134776), (42, 1931464), (48, 1690031), (56, 1448598), (57, 1423184), (76, 1067388), (84, 965732), (97, 836304), (112, 724299), (114, 711592), (131, 619248), (133, 609936), (152, 533694), (168, 482866), (194, 418152), (228, 355796), (262, 309624), (266, 304968), (291, 278768), (304, 266847), (336, 241433), (388, 209076), (393, 206416), (399, 203312), (456, 177898), (524, 154812), (532, 152484), (582, 139384), (679, 119472), (776, 104538), (786, 103208), (798, 101656), (912, 88949), (917, 88464), (1048, 77406), (1064, 76242), (1164, 69692), (1358, 59736), (1552, 52269), (1572, 51604), (1596, 50828), (1834, 44232), (1843, 44016), (2037, 39824), (2096, 38703), (2128, 38121), (2328, 34846), (2489, 32592), (2716, 29868), (2751, 29488), (3144, 25802), (3192, 25414), (3668, 22116), (3686, 22008), (4074, 19912), (4656, 17423), (4978, 16296), (5432, 14934), (5502, 14744), (5529, 14672), (6288, 12901), (6384, 12707), (7336, 11058), (7372, 11004), (7467, 10864), (8148, 9956)]