638689440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{1330603}}^1$

素因数の和:1330621

約数の個数: 48

約数和(自身を含む): 2011873248

約数和(自身を除く): 1373183808

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 1330603, 2661206, 3991809, 5322412, 6653015, 7983618, 10644824, 13306030, 15967236, 19959045, 21289648, 26612060, 31934472, 39918090, 42579296, 53224120, 63868944, 79836180, 106448240, 127737888, 159672360, 212896480, 319344720, 638689440]

約数ペア:

[(1, 638689440), (2, 319344720), (3, 212896480), (4, 159672360), (5, 127737888), (6, 106448240), (8, 79836180), (10, 63868944), (12, 53224120), (15, 42579296), (16, 39918090), (20, 31934472), (24, 26612060), (30, 21289648), (32, 19959045), (40, 15967236), (48, 13306030), (60, 10644824), (80, 7983618), (96, 6653015), (120, 5322412), (160, 3991809), (240, 2661206), (480, 1330603)]