640018368

素因数分解:

$2^6\times 3^3\times {\mathrm{11}}^2\times {\mathrm{3061}}^1$

素因数の和:3104

約数の個数: 168

約数和(自身を含む): 2068809680

約数和(自身を除く): 1428791312

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 32, 33, 36, 44, 48, 54, 64, 66, 72, 88, 96, 99, 108, 121, 132, 144, 176, 192, 198, 216, 242, 264, 288, 297, 352, 363, 396, 432, 484, 528, 576, 594, 704, 726, 792, 864, 968, 1056, 1089, 1188, 1452, 1584, 1728, 1936, 2112, 2178, 2376, 2904, 3061, 3168, 3267, 3872, 4356, 4752, 5808, 6122, 6336, 6534, 7744, 8712, 9183, 9504, 11616, 12244, 13068, 17424, 18366, 19008, 23232, 24488, 26136, 27549, 33671, 34848, 36732, 48976, 52272, 55098, 67342, 69696, 73464, 82647, 97952, 101013, 104544, 110196, 134684, 146928, 165294, 195904, 202026, 209088, 220392, 269368, 293856, 303039, 330588, 370381, 404052, 440784, 538736, 587712, 606078, 661176, 740762, 808104, 881568, 909117, 1077472, 1111143, 1212156, 1322352, 1481524, 1616208, 1763136, 1818234, 2154944, 2222286, 2424312, 2644704, 2963048, 3232416, 3333429, 3636468, 4444572, 4848624, 5289408, 5926096, 6464832, 6666858, 7272936, 8889144, 9697248, 10000287, 11852192, 13333716, 14545872, 17778288, 19394496, 20000574, 23704384, 26667432, 29091744, 35556576, 40001148, 53334864, 58183488, 71113152, 80002296, 106669728, 160004592, 213339456, 320009184, 640018368]

約数ペア:

[(1, 640018368), (2, 320009184), (3, 213339456), (4, 160004592), (6, 106669728), (8, 80002296), (9, 71113152), (11, 58183488), (12, 53334864), (16, 40001148), (18, 35556576), (22, 29091744), (24, 26667432), (27, 23704384), (32, 20000574), (33, 19394496), (36, 17778288), (44, 14545872), (48, 13333716), (54, 11852192), (64, 10000287), (66, 9697248), (72, 8889144), (88, 7272936), (96, 6666858), (99, 6464832), (108, 5926096), (121, 5289408), (132, 4848624), (144, 4444572), (176, 3636468), (192, 3333429), (198, 3232416), (216, 2963048), (242, 2644704), (264, 2424312), (288, 2222286), (297, 2154944), (352, 1818234), (363, 1763136), (396, 1616208), (432, 1481524), (484, 1322352), (528, 1212156), (576, 1111143), (594, 1077472), (704, 909117), (726, 881568), (792, 808104), (864, 740762), (968, 661176), (1056, 606078), (1089, 587712), (1188, 538736), (1452, 440784), (1584, 404052), (1728, 370381), (1936, 330588), (2112, 303039), (2178, 293856), (2376, 269368), (2904, 220392), (3061, 209088), (3168, 202026), (3267, 195904), (3872, 165294), (4356, 146928), (4752, 134684), (5808, 110196), (6122, 104544), (6336, 101013), (6534, 97952), (7744, 82647), (8712, 73464), (9183, 69696), (9504, 67342), (11616, 55098), (12244, 52272), (13068, 48976), (17424, 36732), (18366, 34848), (19008, 33671), (23232, 27549), (24488, 26136)]