18821520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{26141}}^1$

素因数の和:26160

約数の個数: 60

約数和(自身を含む): 63211356

約数和(自身を除く): 44389836

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 26141, 52282, 78423, 104564, 130705, 156846, 209128, 235269, 261410, 313692, 392115, 418256, 470538, 522820, 627384, 784230, 941076, 1045640, 1176345, 1254768, 1568460, 1882152, 2091280, 2352690, 3136920, 3764304, 4705380, 6273840, 9410760, 18821520]

約数ペア:

[(1, 18821520), (2, 9410760), (3, 6273840), (4, 4705380), (5, 3764304), (6, 3136920), (8, 2352690), (9, 2091280), (10, 1882152), (12, 1568460), (15, 1254768), (16, 1176345), (18, 1045640), (20, 941076), (24, 784230), (30, 627384), (36, 522820), (40, 470538), (45, 418256), (48, 392115), (60, 313692), (72, 261410), (80, 235269), (90, 209128), (120, 156846), (144, 130705), (180, 104564), (240, 78423), (360, 52282), (720, 26141)]