215845920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{149893}}^1$

素因数の和:149914

約数の個数: 72

約数和(自身を含む): 736579116

約数和(自身を除く): 520733196

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, 149893, 299786, 449679, 599572, 749465, 899358, 1199144, 1349037, 1498930, 1798716, 2248395, 2398288, 2698074, 2997860, 3597432, 4496790, 4796576, 5396148, 5995720, 6745185, 7194864, 8993580, 10792296, 11991440, 13490370, 14389728, 17987160, 21584592, 23982880, 26980740, 35974320, 43169184, 53961480, 71948640, 107922960, 215845920]

約数ペア:

[(1, 215845920), (2, 107922960), (3, 71948640), (4, 53961480), (5, 43169184), (6, 35974320), (8, 26980740), (9, 23982880), (10, 21584592), (12, 17987160), (15, 14389728), (16, 13490370), (18, 11991440), (20, 10792296), (24, 8993580), (30, 7194864), (32, 6745185), (36, 5995720), (40, 5396148), (45, 4796576), (48, 4496790), (60, 3597432), (72, 2997860), (80, 2698074), (90, 2398288), (96, 2248395), (120, 1798716), (144, 1498930), (160, 1349037), (180, 1199144), (240, 899358), (288, 749465), (360, 599572), (480, 449679), (720, 299786), (1440, 149893)]