1557760

素因数分解:

$2^8\times 5^1\times {\mathrm{1217}}^1$

素因数の和:1238

約数の個数: 36

約数和(自身を含む): 3734388

約数和(自身を除く): 2176628

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1217, 1280, 2434, 4868, 6085, 9736, 12170, 19472, 24340, 38944, 48680, 77888, 97360, 155776, 194720, 311552, 389440, 778880, 1557760]

約数ペア:

[(1, 1557760), (2, 778880), (4, 389440), (5, 311552), (8, 194720), (10, 155776), (16, 97360), (20, 77888), (32, 48680), (40, 38944), (64, 24340), (80, 19472), (128, 12170), (160, 9736), (256, 6085), (320, 4868), (640, 2434), (1217, 1280)]