30388020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38959}}^1$

素因数の和:38984

約数の個数: 48

約数和(自身を含む): 91633920

約数和(自身を除く): 61245900

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, 38959, 77918, 116877, 155836, 194795, 233754, 389590, 467508, 506467, 584385, 779180, 1012934, 1168770, 1519401, 2025868, 2337540, 2532335, 3038802, 5064670, 6077604, 7597005, 10129340, 15194010, 30388020]

約数ペア:

[(1, 30388020), (2, 15194010), (3, 10129340), (4, 7597005), (5, 6077604), (6, 5064670), (10, 3038802), (12, 2532335), (13, 2337540), (15, 2025868), (20, 1519401), (26, 1168770), (30, 1012934), (39, 779180), (52, 584385), (60, 506467), (65, 467508), (78, 389590), (130, 233754), (156, 194795), (195, 155836), (260, 116877), (390, 77918), (780, 38959)]