1521890720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{1358831}}^1$

素因数の和:1358853

約数の個数: 48

約数和(自身を含む): 4109107968

約数和(自身を除く): 2587217248

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 1358831, 2717662, 5435324, 6794155, 9511817, 10870648, 13588310, 19023634, 21741296, 27176620, 38047268, 43482592, 47559085, 54353240, 76094536, 95118170, 108706480, 152189072, 190236340, 217412960, 304378144, 380472680, 760945360, 1521890720]

約数ペア:

[(1, 1521890720), (2, 760945360), (4, 380472680), (5, 304378144), (7, 217412960), (8, 190236340), (10, 152189072), (14, 108706480), (16, 95118170), (20, 76094536), (28, 54353240), (32, 47559085), (35, 43482592), (40, 38047268), (56, 27176620), (70, 21741296), (80, 19023634), (112, 13588310), (140, 10870648), (160, 9511817), (224, 6794155), (280, 5435324), (560, 2717662), (1120, 1358831)]