201431520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{139883}}^1$

素因数の和:139904

約数の個数: 72

約数和(自身を含む): 687389976

約数和(自身を除く): 485958456

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 139883, 279766, 419649, 559532, 699415, 839298, 1119064, 1258947, 1398830, 1678596, 2098245, 2238128, 2517894, 2797660, 3357192, 4196490, 4476256, 5035788, 5595320, 6294735, 6714384, 8392980, 10071576, 11190640, 12589470, 13428768, 16785960, 20143152, 22381280, 25178940, 33571920, 40286304, 50357880, 67143840, 100715760, 201431520]

約数ペア:

[(1, 201431520), (2, 100715760), (3, 67143840), (4, 50357880), (5, 40286304), (6, 33571920), (8, 25178940), (9, 22381280), (10, 20143152), (12, 16785960), (15, 13428768), (16, 12589470), (18, 11190640), (20, 10071576), (24, 8392980), (30, 6714384), (32, 6294735), (36, 5595320), (40, 5035788), (45, 4476256), (48, 4196490), (60, 3357192), (72, 2797660), (80, 2517894), (90, 2238128), (96, 2098245), (120, 1678596), (144, 1398830), (160, 1258947), (180, 1119064), (240, 839298), (288, 699415), (360, 559532), (480, 419649), (720, 279766), (1440, 139883)]