168448020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{215959}}^1$

素因数の和:215984

約数の個数: 48

約数和(自身を含む): 507937920

約数和(自身を除く): 339489900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 215959, 431918, 647877, 863836, 1079795, 1295754, 2159590, 2591508, 2807467, 3239385, 4319180, 5614934, 6478770, 8422401, 11229868, 12957540, 14037335, 16844802, 28074670, 33689604, 42112005, 56149340, 84224010, 168448020]

約数ペア:

[(1, 168448020), (2, 84224010), (3, 56149340), (4, 42112005), (5, 33689604), (6, 28074670), (10, 16844802), (12, 14037335), (13, 12957540), (15, 11229868), (20, 8422401), (26, 6478770), (30, 5614934), (39, 4319180), (52, 3239385), (60, 2807467), (65, 2591508), (78, 2159590), (130, 1295754), (156, 1079795), (195, 863836), (260, 647877), (390, 431918), (780, 215959)]