640186272

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{11887}}^1$

素因数の和:11931

約数の個数: 144

約数和(自身を含む): 2103034752

約数和(自身を除く): 1462848480

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 17, 18, 22, 24, 32, 33, 34, 36, 44, 48, 51, 66, 68, 72, 88, 96, 99, 102, 132, 136, 144, 153, 176, 187, 198, 204, 264, 272, 288, 306, 352, 374, 396, 408, 528, 544, 561, 612, 748, 792, 816, 1056, 1122, 1224, 1496, 1584, 1632, 1683, 2244, 2448, 2992, 3168, 3366, 4488, 4896, 5984, 6732, 8976, 11887, 13464, 17952, 23774, 26928, 35661, 47548, 53856, 71322, 95096, 106983, 130757, 142644, 190192, 202079, 213966, 261514, 285288, 380384, 392271, 404158, 427932, 523028, 570576, 606237, 784542, 808316, 855864, 1046056, 1141152, 1176813, 1212474, 1569084, 1616632, 1711728, 1818711, 2092112, 2222869, 2353626, 2424948, 3138168, 3233264, 3423456, 3637422, 4184224, 4445738, 4707252, 4849896, 6276336, 6466528, 6668607, 7274844, 8891476, 9414504, 9699792, 12552672, 13337214, 14549688, 17782952, 18829008, 19399584, 20005821, 26674428, 29099376, 35565904, 37658016, 40011642, 53348856, 58198752, 71131808, 80023284, 106697712, 160046568, 213395424, 320093136, 640186272]

約数ペア:

[(1, 640186272), (2, 320093136), (3, 213395424), (4, 160046568), (6, 106697712), (8, 80023284), (9, 71131808), (11, 58198752), (12, 53348856), (16, 40011642), (17, 37658016), (18, 35565904), (22, 29099376), (24, 26674428), (32, 20005821), (33, 19399584), (34, 18829008), (36, 17782952), (44, 14549688), (48, 13337214), (51, 12552672), (66, 9699792), (68, 9414504), (72, 8891476), (88, 7274844), (96, 6668607), (99, 6466528), (102, 6276336), (132, 4849896), (136, 4707252), (144, 4445738), (153, 4184224), (176, 3637422), (187, 3423456), (198, 3233264), (204, 3138168), (264, 2424948), (272, 2353626), (288, 2222869), (306, 2092112), (352, 1818711), (374, 1711728), (396, 1616632), (408, 1569084), (528, 1212474), (544, 1176813), (561, 1141152), (612, 1046056), (748, 855864), (792, 808316), (816, 784542), (1056, 606237), (1122, 570576), (1224, 523028), (1496, 427932), (1584, 404158), (1632, 392271), (1683, 380384), (2244, 285288), (2448, 261514), (2992, 213966), (3168, 202079), (3366, 190192), (4488, 142644), (4896, 130757), (5984, 106983), (6732, 95096), (8976, 71322), (11887, 53856), (13464, 47548), (17952, 35661), (23774, 26928)]