905367040

素因数分解:

$2^9\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1409}}^1$

素因数の和:1683

約数の個数: 80

約数和(自身を含む): 2180954160

約数和(自身を除く): 1275587120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 251, 256, 320, 502, 512, 640, 1004, 1255, 1280, 1409, 2008, 2510, 2560, 2818, 4016, 5020, 5636, 7045, 8032, 10040, 11272, 14090, 16064, 20080, 22544, 28180, 32128, 40160, 45088, 56360, 64256, 80320, 90176, 112720, 128512, 160640, 180352, 225440, 321280, 353659, 360704, 450880, 642560, 707318, 721408, 901760, 1414636, 1768295, 1803520, 2829272, 3536590, 3607040, 5658544, 7073180, 11317088, 14146360, 22634176, 28292720, 45268352, 56585440, 90536704, 113170880, 181073408, 226341760, 452683520, 905367040]

約数ペア:

[(1, 905367040), (2, 452683520), (4, 226341760), (5, 181073408), (8, 113170880), (10, 90536704), (16, 56585440), (20, 45268352), (32, 28292720), (40, 22634176), (64, 14146360), (80, 11317088), (128, 7073180), (160, 5658544), (251, 3607040), (256, 3536590), (320, 2829272), (502, 1803520), (512, 1768295), (640, 1414636), (1004, 901760), (1255, 721408), (1280, 707318), (1409, 642560), (2008, 450880), (2510, 360704), (2560, 353659), (2818, 321280), (4016, 225440), (5020, 180352), (5636, 160640), (7045, 128512), (8032, 112720), (10040, 90176), (11272, 80320), (14090, 64256), (16064, 56360), (20080, 45088), (22544, 40160), (28180, 32128)]