1387380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1217}}^1$

素因数の和:1248

約数の個数: 48

約数和(自身を含む): 4092480

約数和(自身を除く): 2705100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 1217, 2434, 3651, 4868, 6085, 7302, 12170, 14604, 18255, 23123, 24340, 36510, 46246, 69369, 73020, 92492, 115615, 138738, 231230, 277476, 346845, 462460, 693690, 1387380]

約数ペア:

[(1, 1387380), (2, 693690), (3, 462460), (4, 346845), (5, 277476), (6, 231230), (10, 138738), (12, 115615), (15, 92492), (19, 73020), (20, 69369), (30, 46246), (38, 36510), (57, 24340), (60, 23123), (76, 18255), (95, 14604), (114, 12170), (190, 7302), (228, 6085), (285, 4868), (380, 3651), (570, 2434), (1140, 1217)]