164295040

素因数分解:

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

素因数の和:90

約数の個数: 288

約数和(自身を含む): 510701760

約数和(自身を除く): 346406720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 32, 35, 40, 49, 52, 56, 62, 64, 65, 70, 80, 91, 98, 104, 112, 124, 128, 130, 140, 155, 160, 169, 182, 196, 208, 217, 224, 245, 248, 260, 280, 310, 320, 338, 364, 392, 403, 416, 434, 448, 455, 490, 496, 520, 560, 620, 637, 640, 676, 728, 784, 806, 832, 845, 868, 896, 910, 980, 992, 1040, 1085, 1120, 1183, 1240, 1274, 1352, 1456, 1519, 1568, 1612, 1664, 1690, 1736, 1820, 1960, 1984, 2015, 2080, 2170, 2240, 2366, 2480, 2548, 2704, 2821, 2912, 3038, 3136, 3185, 3224, 3380, 3472, 3640, 3920, 3968, 4030, 4160, 4340, 4480, 4732, 4960, 5096, 5239, 5408, 5642, 5824, 5915, 6076, 6272, 6370, 6448, 6760, 6944, 7280, 7595, 7840, 8060, 8281, 8320, 8680, 9464, 9920, 10192, 10478, 10816, 11284, 11648, 11830, 12152, 12740, 12896, 13520, 13888, 14105, 14560, 15190, 15680, 16120, 16562, 17360, 18928, 19747, 19840, 20384, 20956, 21632, 22568, 23660, 24304, 25480, 25792, 26195, 27040, 27776, 28210, 29120, 30380, 31360, 32240, 33124, 34720, 36673, 37856, 39494, 40768, 41405, 41912, 45136, 47320, 48608, 50960, 51584, 52390, 54080, 56420, 58240, 60760, 64480, 66248, 69440, 73346, 75712, 78988, 81536, 82810, 83824, 90272, 94640, 97216, 98735, 101920, 104780, 108160, 112840, 121520, 128960, 132496, 138880, 146692, 151424, 157976, 165620, 167648, 180544, 183365, 189280, 194432, 197470, 203840, 209560, 225680, 243040, 256711, 257920, 264992, 293384, 315952, 331240, 335296, 361088, 366730, 378560, 394940, 407680, 419120, 451360, 486080, 513422, 529984, 586768, 631904, 662480, 670592, 733460, 757120, 789880, 838240, 902720, 972160, 1026844, 1059968, 1173536, 1263808, 1283555, 1324960, 1466920, 1579760, 1676480, 1805440, 2053688, 2347072, 2527616, 2567110, 2649920, 2933840, 3159520, 3352960, 4107376, 4694144, 5134220, 5299840, 5867680, 6319040, 8214752, 10268440, 11735360, 12638080, 16429504, 20536880, 23470720, 32859008, 41073760, 82147520, 164295040]

約数ペア:

[(1, 164295040), (2, 82147520), (4, 41073760), (5, 32859008), (7, 23470720), (8, 20536880), (10, 16429504), (13, 12638080), (14, 11735360), (16, 10268440), (20, 8214752), (26, 6319040), (28, 5867680), (31, 5299840), (32, 5134220), (35, 4694144), (40, 4107376), (49, 3352960), (52, 3159520), (56, 2933840), (62, 2649920), (64, 2567110), (65, 2527616), (70, 2347072), (80, 2053688), (91, 1805440), (98, 1676480), (104, 1579760), (112, 1466920), (124, 1324960), (128, 1283555), (130, 1263808), (140, 1173536), (155, 1059968), (160, 1026844), (169, 972160), (182, 902720), (196, 838240), (208, 789880), (217, 757120), (224, 733460), (245, 670592), (248, 662480), (260, 631904), (280, 586768), (310, 529984), (320, 513422), (338, 486080), (364, 451360), (392, 419120), (403, 407680), (416, 394940), (434, 378560), (448, 366730), (455, 361088), (490, 335296), (496, 331240), (520, 315952), (560, 293384), (620, 264992), (637, 257920), (640, 256711), (676, 243040), (728, 225680), (784, 209560), (806, 203840), (832, 197470), (845, 194432), (868, 189280), (896, 183365), (910, 180544), (980, 167648), (992, 165620), (1040, 157976), (1085, 151424), (1120, 146692), (1183, 138880), (1240, 132496), (1274, 128960), (1352, 121520), (1456, 112840), (1519, 108160), (1568, 104780), (1612, 101920), (1664, 98735), (1690, 97216), (1736, 94640), (1820, 90272), (1960, 83824), (1984, 82810), (2015, 81536), (2080, 78988), (2170, 75712), (2240, 73346), (2366, 69440), (2480, 66248), (2548, 64480), (2704, 60760), (2821, 58240), (2912, 56420), (3038, 54080), (3136, 52390), (3185, 51584), (3224, 50960), (3380, 48608), (3472, 47320), (3640, 45136), (3920, 41912), (3968, 41405), (4030, 40768), (4160, 39494), (4340, 37856), (4480, 36673), (4732, 34720), (4960, 33124), (5096, 32240), (5239, 31360), (5408, 30380), (5642, 29120), (5824, 28210), (5915, 27776), (6076, 27040), (6272, 26195), (6370, 25792), (6448, 25480), (6760, 24304), (6944, 23660), (7280, 22568), (7595, 21632), (7840, 20956), (8060, 20384), (8281, 19840), (8320, 19747), (8680, 18928), (9464, 17360), (9920, 16562), (10192, 16120), (10478, 15680), (10816, 15190), (11284, 14560), (11648, 14105), (11830, 13888), (12152, 13520), (12740, 12896)]