20190120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{541}}^1$

素因数の和:866

約数の個数: 64

約数和(自身を含む): 60877440

約数和(自身を除く): 40687320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 311, 541, 622, 933, 1082, 1244, 1555, 1623, 1866, 2164, 2488, 2705, 3110, 3246, 3732, 4328, 4665, 5410, 6220, 6492, 7464, 8115, 9330, 10820, 12440, 12984, 16230, 18660, 21640, 32460, 37320, 64920, 168251, 336502, 504753, 673004, 841255, 1009506, 1346008, 1682510, 2019012, 2523765, 3365020, 4038024, 5047530, 6730040, 10095060, 20190120]

約数ペア:

[(1, 20190120), (2, 10095060), (3, 6730040), (4, 5047530), (5, 4038024), (6, 3365020), (8, 2523765), (10, 2019012), (12, 1682510), (15, 1346008), (20, 1009506), (24, 841255), (30, 673004), (40, 504753), (60, 336502), (120, 168251), (311, 64920), (541, 37320), (622, 32460), (933, 21640), (1082, 18660), (1244, 16230), (1555, 12984), (1623, 12440), (1866, 10820), (2164, 9330), (2488, 8115), (2705, 7464), (3110, 6492), (3246, 6220), (3732, 5410), (4328, 4665)]