139266880

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:288

約数の個数: 112

約数和(自身を含む): 348203520

約数和(自身を除く): 208936640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 101, 124, 139, 155, 160, 202, 248, 278, 310, 320, 404, 496, 505, 556, 620, 695, 808, 992, 1010, 1112, 1240, 1390, 1616, 1984, 2020, 2224, 2480, 2780, 3131, 3232, 4040, 4309, 4448, 4960, 5560, 6262, 6464, 8080, 8618, 8896, 9920, 11120, 12524, 14039, 15655, 16160, 17236, 21545, 22240, 25048, 28078, 31310, 32320, 34472, 43090, 44480, 50096, 56156, 62620, 68944, 70195, 86180, 100192, 112312, 125240, 137888, 140390, 172360, 200384, 224624, 250480, 275776, 280780, 344720, 435209, 449248, 500960, 561560, 689440, 870418, 898496, 1001920, 1123120, 1378880, 1740836, 2176045, 2246240, 3481672, 4352090, 4492480, 6963344, 8704180, 13926688, 17408360, 27853376, 34816720, 69633440, 139266880]

約数ペア:

[(1, 139266880), (2, 69633440), (4, 34816720), (5, 27853376), (8, 17408360), (10, 13926688), (16, 8704180), (20, 6963344), (31, 4492480), (32, 4352090), (40, 3481672), (62, 2246240), (64, 2176045), (80, 1740836), (101, 1378880), (124, 1123120), (139, 1001920), (155, 898496), (160, 870418), (202, 689440), (248, 561560), (278, 500960), (310, 449248), (320, 435209), (404, 344720), (496, 280780), (505, 275776), (556, 250480), (620, 224624), (695, 200384), (808, 172360), (992, 140390), (1010, 137888), (1112, 125240), (1240, 112312), (1390, 100192), (1616, 86180), (1984, 70195), (2020, 68944), (2224, 62620), (2480, 56156), (2780, 50096), (3131, 44480), (3232, 43090), (4040, 34472), (4309, 32320), (4448, 31310), (4960, 28078), (5560, 25048), (6262, 22240), (6464, 21545), (8080, 17236), (8618, 16160), (8896, 15655), (9920, 14039), (11120, 12524)]