640299456

素因数分解:

$2^6\times 3^2\times {\mathrm{127}}^1\times {\mathrm{8753}}^1$

素因数の和:8898

約数の個数: 84

約数和(自身を含む): 1849965312

約数和(自身を除く): 1209665856

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 127, 144, 192, 254, 288, 381, 508, 576, 762, 1016, 1143, 1524, 2032, 2286, 3048, 4064, 4572, 6096, 8128, 8753, 9144, 12192, 17506, 18288, 24384, 26259, 35012, 36576, 52518, 70024, 73152, 78777, 105036, 140048, 157554, 210072, 280096, 315108, 420144, 560192, 630216, 840288, 1111631, 1260432, 1680576, 2223262, 2520864, 3334893, 4446524, 5041728, 6669786, 8893048, 10004679, 13339572, 17786096, 20009358, 26679144, 35572192, 40018716, 53358288, 71144384, 80037432, 106716576, 160074864, 213433152, 320149728, 640299456]

約数ペア:

[(1, 640299456), (2, 320149728), (3, 213433152), (4, 160074864), (6, 106716576), (8, 80037432), (9, 71144384), (12, 53358288), (16, 40018716), (18, 35572192), (24, 26679144), (32, 20009358), (36, 17786096), (48, 13339572), (64, 10004679), (72, 8893048), (96, 6669786), (127, 5041728), (144, 4446524), (192, 3334893), (254, 2520864), (288, 2223262), (381, 1680576), (508, 1260432), (576, 1111631), (762, 840288), (1016, 630216), (1143, 560192), (1524, 420144), (2032, 315108), (2286, 280096), (3048, 210072), (4064, 157554), (4572, 140048), (6096, 105036), (8128, 78777), (8753, 73152), (9144, 70024), (12192, 52518), (17506, 36576), (18288, 35012), (24384, 26259)]