180637020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{334513}}^1$

素因数の和:334531

約数の個数: 48

約数和(自身を含む): 561983520

約数和(自身を除く): 381346500

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, 334513, 669026, 1003539, 1338052, 1672565, 2007078, 3010617, 3345130, 4014156, 5017695, 6021234, 6690260, 9031851, 10035390, 12042468, 15053085, 18063702, 20070780, 30106170, 36127404, 45159255, 60212340, 90318510, 180637020]

約数ペア:

[(1, 180637020), (2, 90318510), (3, 60212340), (4, 45159255), (5, 36127404), (6, 30106170), (9, 20070780), (10, 18063702), (12, 15053085), (15, 12042468), (18, 10035390), (20, 9031851), (27, 6690260), (30, 6021234), (36, 5017695), (45, 4014156), (54, 3345130), (60, 3010617), (90, 2007078), (108, 1672565), (135, 1338052), (180, 1003539), (270, 669026), (540, 334513)]