1690001920

素因数分解:

$2^9\times 5^1\times {\mathrm{660157}}^1$

素因数の和:660180

約数の個数: 40

約数和(自身を含む): 4052049804

約数和(自身を除く): 2362047884

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 660157, 1320314, 2640628, 3300785, 5281256, 6601570, 10562512, 13203140, 21125024, 26406280, 42250048, 52812560, 84500096, 105625120, 169000192, 211250240, 338000384, 422500480, 845000960, 1690001920]

約数ペア:

[(1, 1690001920), (2, 845000960), (4, 422500480), (5, 338000384), (8, 211250240), (10, 169000192), (16, 105625120), (20, 84500096), (32, 52812560), (40, 42250048), (64, 26406280), (80, 21125024), (128, 13203140), (160, 10562512), (256, 6601570), (320, 5281256), (512, 3300785), (640, 2640628), (1280, 1320314), (2560, 660157)]