80730280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{523}}^1$

素因数の和:778

約数の個数: 64

約数和(自身を含む): 193544640

約数和(自身を除く): 112814360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 227, 340, 454, 523, 680, 908, 1046, 1135, 1816, 2092, 2270, 2615, 3859, 4184, 4540, 5230, 7718, 8891, 9080, 10460, 15436, 17782, 19295, 20920, 30872, 35564, 38590, 44455, 71128, 77180, 88910, 118721, 154360, 177820, 237442, 355640, 474884, 593605, 949768, 1187210, 2018257, 2374420, 4036514, 4748840, 8073028, 10091285, 16146056, 20182570, 40365140, 80730280]

約数ペア:

[(1, 80730280), (2, 40365140), (4, 20182570), (5, 16146056), (8, 10091285), (10, 8073028), (17, 4748840), (20, 4036514), (34, 2374420), (40, 2018257), (68, 1187210), (85, 949768), (136, 593605), (170, 474884), (227, 355640), (340, 237442), (454, 177820), (523, 154360), (680, 118721), (908, 88910), (1046, 77180), (1135, 71128), (1816, 44455), (2092, 38590), (2270, 35564), (2615, 30872), (3859, 20920), (4184, 19295), (4540, 17782), (5230, 15436), (7718, 10460), (8891, 9080)]