2757760

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:189

約数の個数: 64

約数和(自身を含む): 6854400

約数和(自身を除く): 4096640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 139, 155, 160, 248, 278, 310, 320, 496, 556, 620, 640, 695, 992, 1112, 1240, 1390, 1984, 2224, 2480, 2780, 3968, 4309, 4448, 4960, 5560, 8618, 8896, 9920, 11120, 17236, 17792, 19840, 21545, 22240, 34472, 43090, 44480, 68944, 86180, 88960, 137888, 172360, 275776, 344720, 551552, 689440, 1378880, 2757760]

約数ペア:

[(1, 2757760), (2, 1378880), (4, 689440), (5, 551552), (8, 344720), (10, 275776), (16, 172360), (20, 137888), (31, 88960), (32, 86180), (40, 68944), (62, 44480), (64, 43090), (80, 34472), (124, 22240), (128, 21545), (139, 19840), (155, 17792), (160, 17236), (248, 11120), (278, 9920), (310, 8896), (320, 8618), (496, 5560), (556, 4960), (620, 4448), (640, 4309), (695, 3968), (992, 2780), (1112, 2480), (1240, 2224), (1390, 1984)]