1261891920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{5257883}}^1$

素因数の和:5257899

約数の個数: 40

約数和(自身を含む): 3911865696

約数和(自身を除く): 2649973776

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 5257883, 10515766, 15773649, 21031532, 26289415, 31547298, 42063064, 52578830, 63094596, 78868245, 84126128, 105157660, 126189192, 157736490, 210315320, 252378384, 315472980, 420630640, 630945960, 1261891920]

約数ペア:

[(1, 1261891920), (2, 630945960), (3, 420630640), (4, 315472980), (5, 252378384), (6, 210315320), (8, 157736490), (10, 126189192), (12, 105157660), (15, 84126128), (16, 78868245), (20, 63094596), (24, 52578830), (30, 42063064), (40, 31547298), (48, 26289415), (60, 21031532), (80, 15773649), (120, 10515766), (240, 5257883)]