7290180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{401}}^1$

素因数の和:517

約数の個数: 72

約数和(自身を含む): 22388184

約数和(自身を除く): 15098004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 101, 180, 202, 303, 401, 404, 505, 606, 802, 909, 1010, 1203, 1212, 1515, 1604, 1818, 2005, 2020, 2406, 3030, 3609, 3636, 4010, 4545, 4812, 6015, 6060, 7218, 8020, 9090, 12030, 14436, 18045, 18180, 24060, 36090, 40501, 72180, 81002, 121503, 162004, 202505, 243006, 364509, 405010, 486012, 607515, 729018, 810020, 1215030, 1458036, 1822545, 2430060, 3645090, 7290180]

約数ペア:

[(1, 7290180), (2, 3645090), (3, 2430060), (4, 1822545), (5, 1458036), (6, 1215030), (9, 810020), (10, 729018), (12, 607515), (15, 486012), (18, 405010), (20, 364509), (30, 243006), (36, 202505), (45, 162004), (60, 121503), (90, 81002), (101, 72180), (180, 40501), (202, 36090), (303, 24060), (401, 18180), (404, 18045), (505, 14436), (606, 12030), (802, 9090), (909, 8020), (1010, 7218), (1203, 6060), (1212, 6015), (1515, 4812), (1604, 4545), (1818, 4010), (2005, 3636), (2020, 3609), (2406, 3030)]