131278320

素因数分解:

$2^4\times 3^6\times 5^1\times {\mathrm{2251}}^1$

素因数の和:2282

約数の個数: 140

約数和(自身を含む): 457827096

約数和(自身を除く): 326548776

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 729, 810, 972, 1080, 1215, 1296, 1458, 1620, 1944, 2160, 2251, 2430, 2916, 3240, 3645, 3888, 4502, 4860, 5832, 6480, 6753, 7290, 9004, 9720, 11255, 11664, 13506, 14580, 18008, 19440, 20259, 22510, 27012, 29160, 33765, 36016, 40518, 45020, 54024, 58320, 60777, 67530, 81036, 90040, 101295, 108048, 121554, 135060, 162072, 180080, 182331, 202590, 243108, 270120, 303885, 324144, 364662, 405180, 486216, 540240, 546993, 607770, 729324, 810360, 911655, 972432, 1093986, 1215540, 1458648, 1620720, 1640979, 1823310, 2187972, 2431080, 2734965, 2917296, 3281958, 3646620, 4375944, 4862160, 5469930, 6563916, 7293240, 8204895, 8751888, 10939860, 13127832, 14586480, 16409790, 21879720, 26255664, 32819580, 43759440, 65639160, 131278320]

約数ペア:

[(1, 131278320), (2, 65639160), (3, 43759440), (4, 32819580), (5, 26255664), (6, 21879720), (8, 16409790), (9, 14586480), (10, 13127832), (12, 10939860), (15, 8751888), (16, 8204895), (18, 7293240), (20, 6563916), (24, 5469930), (27, 4862160), (30, 4375944), (36, 3646620), (40, 3281958), (45, 2917296), (48, 2734965), (54, 2431080), (60, 2187972), (72, 1823310), (80, 1640979), (81, 1620720), (90, 1458648), (108, 1215540), (120, 1093986), (135, 972432), (144, 911655), (162, 810360), (180, 729324), (216, 607770), (240, 546993), (243, 540240), (270, 486216), (324, 405180), (360, 364662), (405, 324144), (432, 303885), (486, 270120), (540, 243108), (648, 202590), (720, 182331), (729, 180080), (810, 162072), (972, 135060), (1080, 121554), (1215, 108048), (1296, 101295), (1458, 90040), (1620, 81036), (1944, 67530), (2160, 60777), (2251, 58320), (2430, 54024), (2916, 45020), (3240, 40518), (3645, 36016), (3888, 33765), (4502, 29160), (4860, 27012), (5832, 22510), (6480, 20259), (6753, 19440), (7290, 18008), (9004, 14580), (9720, 13506), (11255, 11664)]