208589580

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{331}}^1\times {\mathrm{389}}^1$

素因数の和:741

約数の個数: 120

約数和(自身を含む): 658017360

約数和(自身を除く): 449427780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 331, 389, 405, 540, 662, 778, 810, 993, 1167, 1324, 1556, 1620, 1655, 1945, 1986, 2334, 2979, 3310, 3501, 3890, 3972, 4668, 4965, 5835, 5958, 6620, 7002, 7780, 8937, 9930, 10503, 11670, 11916, 14004, 14895, 17505, 17874, 19860, 21006, 23340, 26811, 29790, 31509, 35010, 35748, 42012, 44685, 52515, 53622, 59580, 63018, 70020, 89370, 105030, 107244, 126036, 128759, 134055, 157545, 178740, 210060, 257518, 268110, 315090, 386277, 515036, 536220, 630180, 643795, 772554, 1158831, 1287590, 1545108, 1931385, 2317662, 2575180, 3476493, 3862770, 4635324, 5794155, 6952986, 7725540, 10429479, 11588310, 13905972, 17382465, 20858958, 23176620, 34764930, 41717916, 52147395, 69529860, 104294790, 208589580]

約数ペア:

[(1, 208589580), (2, 104294790), (3, 69529860), (4, 52147395), (5, 41717916), (6, 34764930), (9, 23176620), (10, 20858958), (12, 17382465), (15, 13905972), (18, 11588310), (20, 10429479), (27, 7725540), (30, 6952986), (36, 5794155), (45, 4635324), (54, 3862770), (60, 3476493), (81, 2575180), (90, 2317662), (108, 1931385), (135, 1545108), (162, 1287590), (180, 1158831), (270, 772554), (324, 643795), (331, 630180), (389, 536220), (405, 515036), (540, 386277), (662, 315090), (778, 268110), (810, 257518), (993, 210060), (1167, 178740), (1324, 157545), (1556, 134055), (1620, 128759), (1655, 126036), (1945, 107244), (1986, 105030), (2334, 89370), (2979, 70020), (3310, 63018), (3501, 59580), (3890, 53622), (3972, 52515), (4668, 44685), (4965, 42012), (5835, 35748), (5958, 35010), (6620, 31509), (7002, 29790), (7780, 26811), (8937, 23340), (9930, 21006), (10503, 19860), (11670, 17874), (11916, 17505), (14004, 14895)]