78978120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{50627}}^1$

素因数の和:50654

約数の個数: 64

約数和(自身を含む): 255165120

約数和(自身を除く): 176187000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 50627, 101254, 151881, 202508, 253135, 303762, 405016, 506270, 607524, 658151, 759405, 1012540, 1215048, 1316302, 1518810, 1974453, 2025080, 2632604, 3037620, 3290755, 3948906, 5265208, 6075240, 6581510, 7897812, 9872265, 13163020, 15795624, 19744530, 26326040, 39489060, 78978120]

約数ペア:

[(1, 78978120), (2, 39489060), (3, 26326040), (4, 19744530), (5, 15795624), (6, 13163020), (8, 9872265), (10, 7897812), (12, 6581510), (13, 6075240), (15, 5265208), (20, 3948906), (24, 3290755), (26, 3037620), (30, 2632604), (39, 2025080), (40, 1974453), (52, 1518810), (60, 1316302), (65, 1215048), (78, 1012540), (104, 759405), (120, 658151), (130, 607524), (156, 506270), (195, 405016), (260, 303762), (312, 253135), (390, 202508), (520, 151881), (780, 101254), (1560, 50627)]