18725400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:226

約数の個数: 144

約数和(自身を含む): 64125360

約数和(自身を除く): 45399960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 101, 103, 120, 150, 180, 200, 202, 206, 225, 300, 303, 309, 360, 404, 412, 450, 505, 515, 600, 606, 618, 808, 824, 900, 909, 927, 1010, 1030, 1212, 1236, 1515, 1545, 1800, 1818, 1854, 2020, 2060, 2424, 2472, 2525, 2575, 3030, 3090, 3636, 3708, 4040, 4120, 4545, 4635, 5050, 5150, 6060, 6180, 7272, 7416, 7575, 7725, 9090, 9270, 10100, 10300, 10403, 12120, 12360, 15150, 15450, 18180, 18540, 20200, 20600, 20806, 22725, 23175, 30300, 30900, 31209, 36360, 37080, 41612, 45450, 46350, 52015, 60600, 61800, 62418, 83224, 90900, 92700, 93627, 104030, 124836, 156045, 181800, 185400, 187254, 208060, 249672, 260075, 312090, 374508, 416120, 468135, 520150, 624180, 749016, 780225, 936270, 1040300, 1248360, 1560450, 1872540, 2080600, 2340675, 3120900, 3745080, 4681350, 6241800, 9362700, 18725400]

約数ペア:

[(1, 18725400), (2, 9362700), (3, 6241800), (4, 4681350), (5, 3745080), (6, 3120900), (8, 2340675), (9, 2080600), (10, 1872540), (12, 1560450), (15, 1248360), (18, 1040300), (20, 936270), (24, 780225), (25, 749016), (30, 624180), (36, 520150), (40, 468135), (45, 416120), (50, 374508), (60, 312090), (72, 260075), (75, 249672), (90, 208060), (100, 187254), (101, 185400), (103, 181800), (120, 156045), (150, 124836), (180, 104030), (200, 93627), (202, 92700), (206, 90900), (225, 83224), (300, 62418), (303, 61800), (309, 60600), (360, 52015), (404, 46350), (412, 45450), (450, 41612), (505, 37080), (515, 36360), (600, 31209), (606, 30900), (618, 30300), (808, 23175), (824, 22725), (900, 20806), (909, 20600), (927, 20200), (1010, 18540), (1030, 18180), (1212, 15450), (1236, 15150), (1515, 12360), (1545, 12120), (1800, 10403), (1818, 10300), (1854, 10100), (2020, 9270), (2060, 9090), (2424, 7725), (2472, 7575), (2525, 7416), (2575, 7272), (3030, 6180), (3090, 6060), (3636, 5150), (3708, 5050), (4040, 4635), (4120, 4545)]