17280640

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:130

約数の個数: 128

約数和(自身を含む): 46609920

約数和(自身を除く): 29329280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 67, 80, 104, 124, 128, 130, 134, 155, 160, 208, 248, 260, 268, 310, 320, 335, 403, 416, 496, 520, 536, 620, 640, 670, 806, 832, 871, 992, 1040, 1072, 1240, 1340, 1612, 1664, 1742, 1984, 2015, 2077, 2080, 2144, 2480, 2680, 3224, 3484, 3968, 4030, 4154, 4160, 4288, 4355, 4960, 5360, 6448, 6968, 8060, 8308, 8320, 8576, 8710, 9920, 10385, 10720, 12896, 13936, 16120, 16616, 17420, 19840, 20770, 21440, 25792, 27001, 27872, 32240, 33232, 34840, 41540, 42880, 51584, 54002, 55744, 64480, 66464, 69680, 83080, 108004, 111488, 128960, 132928, 135005, 139360, 166160, 216008, 257920, 265856, 270010, 278720, 332320, 432016, 540020, 557440, 664640, 864032, 1080040, 1329280, 1728064, 2160080, 3456128, 4320160, 8640320, 17280640]

約数ペア:

[(1, 17280640), (2, 8640320), (4, 4320160), (5, 3456128), (8, 2160080), (10, 1728064), (13, 1329280), (16, 1080040), (20, 864032), (26, 664640), (31, 557440), (32, 540020), (40, 432016), (52, 332320), (62, 278720), (64, 270010), (65, 265856), (67, 257920), (80, 216008), (104, 166160), (124, 139360), (128, 135005), (130, 132928), (134, 128960), (155, 111488), (160, 108004), (208, 83080), (248, 69680), (260, 66464), (268, 64480), (310, 55744), (320, 54002), (335, 51584), (403, 42880), (416, 41540), (496, 34840), (520, 33232), (536, 32240), (620, 27872), (640, 27001), (670, 25792), (806, 21440), (832, 20770), (871, 19840), (992, 17420), (1040, 16616), (1072, 16120), (1240, 13936), (1340, 12896), (1612, 10720), (1664, 10385), (1742, 9920), (1984, 8710), (2015, 8576), (2077, 8320), (2080, 8308), (2144, 8060), (2480, 6968), (2680, 6448), (3224, 5360), (3484, 4960), (3968, 4355), (4030, 4288), (4154, 4160)]