1821420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{3373}}^1$

素因数の和:3391

約数の個数: 48

約数和(自身を含む): 5668320

約数和(自身を除く): 3846900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 3373, 6746, 10119, 13492, 16865, 20238, 30357, 33730, 40476, 50595, 60714, 67460, 91071, 101190, 121428, 151785, 182142, 202380, 303570, 364284, 455355, 607140, 910710, 1821420]

約数ペア:

[(1, 1821420), (2, 910710), (3, 607140), (4, 455355), (5, 364284), (6, 303570), (9, 202380), (10, 182142), (12, 151785), (15, 121428), (18, 101190), (20, 91071), (27, 67460), (30, 60714), (36, 50595), (45, 40476), (54, 33730), (60, 30357), (90, 20238), (108, 16865), (135, 13492), (180, 10119), (270, 6746), (540, 3373)]