640750656

素因数分解:

$2^6\times 3^1\times 7^2\times {\mathrm{13}}^3\times {\mathrm{31}}^1$

素因数の和:99

約数の個数: 336

約数和(自身を含む): 2205288960

約数和(自身を除く): 1564538304

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 31, 32, 39, 42, 48, 49, 52, 56, 62, 64, 78, 84, 91, 93, 96, 98, 104, 112, 124, 147, 156, 168, 169, 182, 186, 192, 196, 208, 217, 224, 248, 273, 294, 312, 336, 338, 364, 372, 392, 403, 416, 434, 448, 496, 507, 546, 588, 624, 637, 651, 672, 676, 728, 744, 784, 806, 832, 868, 992, 1014, 1092, 1176, 1183, 1209, 1248, 1274, 1302, 1344, 1352, 1456, 1488, 1519, 1568, 1612, 1736, 1911, 1984, 2028, 2184, 2197, 2352, 2366, 2418, 2496, 2548, 2604, 2704, 2821, 2912, 2976, 3038, 3136, 3224, 3472, 3549, 3822, 4056, 4368, 4394, 4557, 4704, 4732, 4836, 5096, 5208, 5239, 5408, 5642, 5824, 5952, 6076, 6448, 6591, 6944, 7098, 7644, 8112, 8281, 8463, 8736, 8788, 9114, 9408, 9464, 9672, 10192, 10416, 10478, 10816, 11284, 12152, 12896, 13182, 13888, 14196, 15288, 15379, 15717, 16224, 16562, 16926, 17472, 17576, 18228, 18928, 19344, 19747, 20384, 20832, 20956, 22568, 24304, 24843, 25792, 26364, 28392, 30576, 30758, 31434, 32448, 33124, 33852, 35152, 36456, 36673, 37856, 38688, 39494, 40768, 41664, 41912, 45136, 46137, 48608, 49686, 52728, 56784, 59241, 61152, 61516, 62868, 66248, 67704, 68107, 70304, 72912, 73346, 75712, 77376, 78988, 83824, 90272, 92274, 97216, 99372, 105456, 107653, 110019, 113568, 118482, 122304, 123032, 125736, 132496, 135408, 136214, 140608, 145824, 146692, 157976, 167648, 180544, 184548, 198744, 204321, 210912, 215306, 220038, 227136, 236964, 246064, 251472, 256711, 264992, 270816, 272428, 291648, 293384, 315952, 322959, 335296, 369096, 397488, 408642, 421824, 430612, 440076, 473928, 476749, 492128, 502944, 513422, 529984, 541632, 544856, 586768, 631904, 645918, 738192, 770133, 794976, 817284, 861224, 880152, 947856, 953498, 984256, 1005888, 1026844, 1089712, 1173536, 1263808, 1291836, 1430247, 1476384, 1540266, 1589952, 1634568, 1722448, 1760304, 1895712, 1906996, 2053688, 2179424, 2347072, 2583672, 2860494, 2952768, 3080532, 3269136, 3337243, 3444896, 3520608, 3791424, 3813992, 4107376, 4358848, 5167344, 5720988, 6161064, 6538272, 6674486, 6889792, 7041216, 7627984, 8214752, 10011729, 10334688, 11441976, 12322128, 13076544, 13348972, 15255968, 16429504, 20023458, 20669376, 22883952, 24644256, 26697944, 30511936, 40046916, 45767904, 49288512, 53395888, 80093832, 91535808, 106791776, 160187664, 213583552, 320375328, 640750656]

約数ペア:

[(1, 640750656), (2, 320375328), (3, 213583552), (4, 160187664), (6, 106791776), (7, 91535808), (8, 80093832), (12, 53395888), (13, 49288512), (14, 45767904), (16, 40046916), (21, 30511936), (24, 26697944), (26, 24644256), (28, 22883952), (31, 20669376), (32, 20023458), (39, 16429504), (42, 15255968), (48, 13348972), (49, 13076544), (52, 12322128), (56, 11441976), (62, 10334688), (64, 10011729), (78, 8214752), (84, 7627984), (91, 7041216), (93, 6889792), (96, 6674486), (98, 6538272), (104, 6161064), (112, 5720988), (124, 5167344), (147, 4358848), (156, 4107376), (168, 3813992), (169, 3791424), (182, 3520608), (186, 3444896), (192, 3337243), (196, 3269136), (208, 3080532), (217, 2952768), (224, 2860494), (248, 2583672), (273, 2347072), (294, 2179424), (312, 2053688), (336, 1906996), (338, 1895712), (364, 1760304), (372, 1722448), (392, 1634568), (403, 1589952), (416, 1540266), (434, 1476384), (448, 1430247), (496, 1291836), (507, 1263808), (546, 1173536), (588, 1089712), (624, 1026844), (637, 1005888), (651, 984256), (672, 953498), (676, 947856), (728, 880152), (744, 861224), (784, 817284), (806, 794976), (832, 770133), (868, 738192), (992, 645918), (1014, 631904), (1092, 586768), (1176, 544856), (1183, 541632), (1209, 529984), (1248, 513422), (1274, 502944), (1302, 492128), (1344, 476749), (1352, 473928), (1456, 440076), (1488, 430612), (1519, 421824), (1568, 408642), (1612, 397488), (1736, 369096), (1911, 335296), (1984, 322959), (2028, 315952), (2184, 293384), (2197, 291648), (2352, 272428), (2366, 270816), (2418, 264992), (2496, 256711), (2548, 251472), (2604, 246064), (2704, 236964), (2821, 227136), (2912, 220038), (2976, 215306), (3038, 210912), (3136, 204321), (3224, 198744), (3472, 184548), (3549, 180544), (3822, 167648), (4056, 157976), (4368, 146692), (4394, 145824), (4557, 140608), (4704, 136214), (4732, 135408), (4836, 132496), (5096, 125736), (5208, 123032), (5239, 122304), (5408, 118482), (5642, 113568), (5824, 110019), (5952, 107653), (6076, 105456), (6448, 99372), (6591, 97216), (6944, 92274), (7098, 90272), (7644, 83824), (8112, 78988), (8281, 77376), (8463, 75712), (8736, 73346), (8788, 72912), (9114, 70304), (9408, 68107), (9464, 67704), (9672, 66248), (10192, 62868), (10416, 61516), (10478, 61152), (10816, 59241), (11284, 56784), (12152, 52728), (12896, 49686), (13182, 48608), (13888, 46137), (14196, 45136), (15288, 41912), (15379, 41664), (15717, 40768), (16224, 39494), (16562, 38688), (16926, 37856), (17472, 36673), (17576, 36456), (18228, 35152), (18928, 33852), (19344, 33124), (19747, 32448), (20384, 31434), (20832, 30758), (20956, 30576), (22568, 28392), (24304, 26364), (24843, 25792)]