648965408

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:160

約数の個数: 216

約数和(自身を含む): 1682311680

約数和(自身を除く): 1033346272

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 49, 52, 56, 62, 79, 91, 98, 104, 112, 124, 158, 169, 182, 196, 208, 217, 224, 248, 316, 338, 364, 392, 403, 416, 434, 496, 553, 632, 637, 676, 728, 784, 806, 868, 992, 1027, 1106, 1183, 1264, 1274, 1352, 1456, 1519, 1568, 1612, 1736, 2054, 2212, 2366, 2449, 2528, 2548, 2704, 2821, 2912, 3038, 3224, 3472, 3871, 4108, 4424, 4732, 4898, 5096, 5239, 5408, 5642, 6076, 6448, 6944, 7189, 7742, 8216, 8281, 8848, 9464, 9796, 10192, 10478, 11284, 12152, 12896, 13351, 14378, 15484, 16432, 16562, 17143, 17696, 18928, 19592, 19747, 20384, 20956, 22568, 24304, 26702, 28756, 30968, 31837, 32864, 33124, 34286, 36673, 37856, 39184, 39494, 41912, 45136, 48608, 50323, 53404, 57512, 61936, 63674, 66248, 68572, 73346, 78368, 78988, 83824, 90272, 93457, 100646, 106808, 115024, 120001, 123872, 127348, 132496, 137144, 146692, 157976, 167648, 186914, 201292, 213616, 222859, 230048, 240002, 254696, 256711, 264992, 274288, 293384, 315952, 373828, 402584, 413881, 427232, 445718, 480004, 509392, 513422, 548576, 586768, 631904, 654199, 747656, 805168, 827762, 891436, 960008, 1018784, 1026844, 1173536, 1308398, 1495312, 1560013, 1610336, 1655524, 1782872, 1920016, 2053688, 2616796, 2897167, 2990624, 3120026, 3311048, 3565744, 3840032, 4107376, 5233592, 5794334, 6240052, 6622096, 7131488, 8214752, 10467184, 11588668, 12480104, 13244192, 20280169, 20934368, 23177336, 24960208, 40560338, 46354672, 49920416, 81120676, 92709344, 162241352, 324482704, 648965408]

約数ペア:

[(1, 648965408), (2, 324482704), (4, 162241352), (7, 92709344), (8, 81120676), (13, 49920416), (14, 46354672), (16, 40560338), (26, 24960208), (28, 23177336), (31, 20934368), (32, 20280169), (49, 13244192), (52, 12480104), (56, 11588668), (62, 10467184), (79, 8214752), (91, 7131488), (98, 6622096), (104, 6240052), (112, 5794334), (124, 5233592), (158, 4107376), (169, 3840032), (182, 3565744), (196, 3311048), (208, 3120026), (217, 2990624), (224, 2897167), (248, 2616796), (316, 2053688), (338, 1920016), (364, 1782872), (392, 1655524), (403, 1610336), (416, 1560013), (434, 1495312), (496, 1308398), (553, 1173536), (632, 1026844), (637, 1018784), (676, 960008), (728, 891436), (784, 827762), (806, 805168), (868, 747656), (992, 654199), (1027, 631904), (1106, 586768), (1183, 548576), (1264, 513422), (1274, 509392), (1352, 480004), (1456, 445718), (1519, 427232), (1568, 413881), (1612, 402584), (1736, 373828), (2054, 315952), (2212, 293384), (2366, 274288), (2449, 264992), (2528, 256711), (2548, 254696), (2704, 240002), (2821, 230048), (2912, 222859), (3038, 213616), (3224, 201292), (3472, 186914), (3871, 167648), (4108, 157976), (4424, 146692), (4732, 137144), (4898, 132496), (5096, 127348), (5239, 123872), (5408, 120001), (5642, 115024), (6076, 106808), (6448, 100646), (6944, 93457), (7189, 90272), (7742, 83824), (8216, 78988), (8281, 78368), (8848, 73346), (9464, 68572), (9796, 66248), (10192, 63674), (10478, 61936), (11284, 57512), (12152, 53404), (12896, 50323), (13351, 48608), (14378, 45136), (15484, 41912), (16432, 39494), (16562, 39184), (17143, 37856), (17696, 36673), (18928, 34286), (19592, 33124), (19747, 32864), (20384, 31837), (20956, 30968), (22568, 28756), (24304, 26702)]