1227780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1$

素因数の和:393

約数の個数: 72

約数和(自身を含む): 3931200

約数和(自身を除く): 2703420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 359, 380, 570, 684, 718, 855, 1077, 1140, 1436, 1710, 1795, 2154, 3231, 3420, 3590, 4308, 5385, 6462, 6821, 7180, 10770, 12924, 13642, 16155, 20463, 21540, 27284, 32310, 34105, 40926, 61389, 64620, 68210, 81852, 102315, 122778, 136420, 204630, 245556, 306945, 409260, 613890, 1227780]

約数ペア:

[(1, 1227780), (2, 613890), (3, 409260), (4, 306945), (5, 245556), (6, 204630), (9, 136420), (10, 122778), (12, 102315), (15, 81852), (18, 68210), (19, 64620), (20, 61389), (30, 40926), (36, 34105), (38, 32310), (45, 27284), (57, 21540), (60, 20463), (76, 16155), (90, 13642), (95, 12924), (114, 10770), (171, 7180), (180, 6821), (190, 6462), (228, 5385), (285, 4308), (342, 3590), (359, 3420), (380, 3231), (570, 2154), (684, 1795), (718, 1710), (855, 1436), (1077, 1140)]