218168080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:225

約数の個数: 160

約数和(自身を含む): 577963008

約数和(自身を除く): 359794928

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 67, 80, 101, 104, 124, 130, 134, 155, 202, 208, 248, 260, 268, 310, 335, 403, 404, 496, 505, 520, 536, 620, 670, 806, 808, 871, 1010, 1040, 1072, 1240, 1313, 1340, 1612, 1616, 1742, 2015, 2020, 2077, 2480, 2626, 2680, 3131, 3224, 3484, 4030, 4040, 4154, 4355, 5252, 5360, 6262, 6448, 6565, 6767, 6968, 8060, 8080, 8308, 8710, 10385, 10504, 12524, 13130, 13534, 13936, 15655, 16120, 16616, 17420, 20770, 21008, 25048, 26260, 27001, 27068, 31310, 32240, 33232, 33835, 34840, 40703, 41540, 50096, 52520, 54002, 54136, 62620, 67670, 69680, 81406, 83080, 87971, 105040, 108004, 108272, 125240, 135005, 135340, 162812, 166160, 175942, 203515, 209777, 216008, 250480, 270010, 270680, 325624, 351884, 407030, 419554, 432016, 439855, 540020, 541360, 651248, 703768, 814060, 839108, 879710, 1048885, 1080040, 1407536, 1628120, 1678216, 1759420, 2097770, 2160080, 2727101, 3256240, 3356432, 3518840, 4195540, 5454202, 7037680, 8391080, 10908404, 13635505, 16782160, 21816808, 27271010, 43633616, 54542020, 109084040, 218168080]

約数ペア:

[(1, 218168080), (2, 109084040), (4, 54542020), (5, 43633616), (8, 27271010), (10, 21816808), (13, 16782160), (16, 13635505), (20, 10908404), (26, 8391080), (31, 7037680), (40, 5454202), (52, 4195540), (62, 3518840), (65, 3356432), (67, 3256240), (80, 2727101), (101, 2160080), (104, 2097770), (124, 1759420), (130, 1678216), (134, 1628120), (155, 1407536), (202, 1080040), (208, 1048885), (248, 879710), (260, 839108), (268, 814060), (310, 703768), (335, 651248), (403, 541360), (404, 540020), (496, 439855), (505, 432016), (520, 419554), (536, 407030), (620, 351884), (670, 325624), (806, 270680), (808, 270010), (871, 250480), (1010, 216008), (1040, 209777), (1072, 203515), (1240, 175942), (1313, 166160), (1340, 162812), (1612, 135340), (1616, 135005), (1742, 125240), (2015, 108272), (2020, 108004), (2077, 105040), (2480, 87971), (2626, 83080), (2680, 81406), (3131, 69680), (3224, 67670), (3484, 62620), (4030, 54136), (4040, 54002), (4154, 52520), (4355, 50096), (5252, 41540), (5360, 40703), (6262, 34840), (6448, 33835), (6565, 33232), (6767, 32240), (6968, 31310), (8060, 27068), (8080, 27001), (8308, 26260), (8710, 25048), (10385, 21008), (10504, 20770), (12524, 17420), (13130, 16616), (13534, 16120), (13936, 15655)]