28715760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{39883}}^1$

素因数の和:39902

約数の個数: 60

約数和(自身を含む): 96439512

約数和(自身を除く): 67723752

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 39883, 79766, 119649, 159532, 199415, 239298, 319064, 358947, 398830, 478596, 598245, 638128, 717894, 797660, 957192, 1196490, 1435788, 1595320, 1794735, 1914384, 2392980, 2871576, 3190640, 3589470, 4785960, 5743152, 7178940, 9571920, 14357880, 28715760]

約数ペア:

[(1, 28715760), (2, 14357880), (3, 9571920), (4, 7178940), (5, 5743152), (6, 4785960), (8, 3589470), (9, 3190640), (10, 2871576), (12, 2392980), (15, 1914384), (16, 1794735), (18, 1595320), (20, 1435788), (24, 1196490), (30, 957192), (36, 797660), (40, 717894), (45, 638128), (48, 598245), (60, 478596), (72, 398830), (80, 358947), (90, 319064), (120, 239298), (144, 199415), (180, 159532), (240, 119649), (360, 79766), (720, 39883)]