245115720

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{75653}}^1$

素因数の和:75676

約数の個数: 80

約数和(自身を含む): 823872060

約数和(自身を除く): 578756340

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 75653, 151306, 226959, 302612, 378265, 453918, 605224, 680877, 756530, 907836, 1134795, 1361754, 1513060, 1815672, 2042631, 2269590, 2723508, 3026120, 3404385, 4085262, 4539180, 5447016, 6127893, 6808770, 8170524, 9078360, 10213155, 12255786, 13617540, 16341048, 20426310, 24511572, 27235080, 30639465, 40852620, 49023144, 61278930, 81705240, 122557860, 245115720]

約数ペア:

[(1, 245115720), (2, 122557860), (3, 81705240), (4, 61278930), (5, 49023144), (6, 40852620), (8, 30639465), (9, 27235080), (10, 24511572), (12, 20426310), (15, 16341048), (18, 13617540), (20, 12255786), (24, 10213155), (27, 9078360), (30, 8170524), (36, 6808770), (40, 6127893), (45, 5447016), (54, 4539180), (60, 4085262), (72, 3404385), (81, 3026120), (90, 2723508), (108, 2269590), (120, 2042631), (135, 1815672), (162, 1513060), (180, 1361754), (216, 1134795), (270, 907836), (324, 756530), (360, 680877), (405, 605224), (540, 453918), (648, 378265), (810, 302612), (1080, 226959), (1620, 151306), (3240, 75653)]