16120455

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{229}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 29443680

約数和(自身を除く): 13323225

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 229, 247, 285, 361, 687, 741, 1083, 1145, 1235, 1805, 2977, 3435, 3705, 4351, 4693, 5415, 8931, 13053, 14079, 14885, 21755, 23465, 44655, 56563, 65265, 70395, 82669, 169689, 248007, 282815, 413345, 848445, 1074697, 1240035, 3224091, 5373485, 16120455]

約数ペア:

[(1, 16120455), (3, 5373485), (5, 3224091), (13, 1240035), (15, 1074697), (19, 848445), (39, 413345), (57, 282815), (65, 248007), (95, 169689), (195, 82669), (229, 70395), (247, 65265), (285, 56563), (361, 44655), (687, 23465), (741, 21755), (1083, 14885), (1145, 14079), (1235, 13053), (1805, 8931), (2977, 5415), (3435, 4693), (3705, 4351)]