15216503480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{123631}}^1$

素因数の和:123840

約数の個数: 64

約数和(自身を含む): 36451658880

約数和(自身を除く): 21235155400

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 181, 340, 362, 680, 724, 905, 1448, 1810, 3077, 3620, 6154, 7240, 12308, 15385, 24616, 30770, 61540, 123080, 123631, 247262, 494524, 618155, 989048, 1236310, 2101727, 2472620, 4203454, 4945240, 8406908, 10508635, 16813816, 21017270, 22377211, 42034540, 44754422, 84069080, 89508844, 111886055, 179017688, 223772110, 380412587, 447544220, 760825174, 895088440, 1521650348, 1902062935, 3043300696, 3804125870, 7608251740, 15216503480]

約数ペア:

[(1, 15216503480), (2, 7608251740), (4, 3804125870), (5, 3043300696), (8, 1902062935), (10, 1521650348), (17, 895088440), (20, 760825174), (34, 447544220), (40, 380412587), (68, 223772110), (85, 179017688), (136, 111886055), (170, 89508844), (181, 84069080), (340, 44754422), (362, 42034540), (680, 22377211), (724, 21017270), (905, 16813816), (1448, 10508635), (1810, 8406908), (3077, 4945240), (3620, 4203454), (6154, 2472620), (7240, 2101727), (12308, 1236310), (15385, 989048), (24616, 618155), (30770, 494524), (61540, 247262), (123080, 123631)]