2557230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:185

約数の個数: 64

約数和(自身を含む): 6773760

約数和(自身を除く): 4216530

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 79, 83, 130, 158, 166, 195, 237, 249, 390, 395, 415, 474, 498, 790, 830, 1027, 1079, 1185, 1245, 2054, 2158, 2370, 2490, 3081, 3237, 5135, 5395, 6162, 6474, 6557, 10270, 10790, 13114, 15405, 16185, 19671, 30810, 32370, 32785, 39342, 65570, 85241, 98355, 170482, 196710, 255723, 426205, 511446, 852410, 1278615, 2557230]

約数ペア:

[(1, 2557230), (2, 1278615), (3, 852410), (5, 511446), (6, 426205), (10, 255723), (13, 196710), (15, 170482), (26, 98355), (30, 85241), (39, 65570), (65, 39342), (78, 32785), (79, 32370), (83, 30810), (130, 19671), (158, 16185), (166, 15405), (195, 13114), (237, 10790), (249, 10270), (390, 6557), (395, 6474), (415, 6162), (474, 5395), (498, 5135), (790, 3237), (830, 3081), (1027, 2490), (1079, 2370), (1185, 2158), (1245, 2054)]