1378880

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:187

約数の個数: 56

約数和(自身を含む): 3413760

約数和(自身を除く): 2034880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 139, 155, 160, 248, 278, 310, 320, 496, 556, 620, 695, 992, 1112, 1240, 1390, 1984, 2224, 2480, 2780, 4309, 4448, 4960, 5560, 8618, 8896, 9920, 11120, 17236, 21545, 22240, 34472, 43090, 44480, 68944, 86180, 137888, 172360, 275776, 344720, 689440, 1378880]

約数ペア:

[(1, 1378880), (2, 689440), (4, 344720), (5, 275776), (8, 172360), (10, 137888), (16, 86180), (20, 68944), (31, 44480), (32, 43090), (40, 34472), (62, 22240), (64, 21545), (80, 17236), (124, 11120), (139, 9920), (155, 8896), (160, 8618), (248, 5560), (278, 4960), (310, 4448), (320, 4309), (496, 2780), (556, 2480), (620, 2224), (695, 1984), (992, 1390), (1112, 1240)]