15920820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{29483}}^1$

素因数の和:29501

約数の個数: 48

約数和(自身を含む): 49533120

約数和(自身を除く): 33612300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 29483, 58966, 88449, 117932, 147415, 176898, 265347, 294830, 353796, 442245, 530694, 589660, 796041, 884490, 1061388, 1326735, 1592082, 1768980, 2653470, 3184164, 3980205, 5306940, 7960410, 15920820]

約数ペア:

[(1, 15920820), (2, 7960410), (3, 5306940), (4, 3980205), (5, 3184164), (6, 2653470), (9, 1768980), (10, 1592082), (12, 1326735), (15, 1061388), (18, 884490), (20, 796041), (27, 589660), (30, 530694), (36, 442245), (45, 353796), (54, 294830), (60, 265347), (90, 176898), (108, 147415), (135, 117932), (180, 88449), (270, 58966), (540, 29483)]