139264960

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1$

素因数の和:438

約数の個数: 112

約数和(自身を含む): 352044000

約数和(自身を除く): 212779040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 43, 58, 64, 80, 86, 116, 145, 160, 172, 215, 232, 290, 320, 344, 349, 430, 464, 580, 688, 698, 860, 928, 1160, 1247, 1376, 1396, 1720, 1745, 1856, 2320, 2494, 2752, 2792, 3440, 3490, 4640, 4988, 5584, 6235, 6880, 6980, 9280, 9976, 10121, 11168, 12470, 13760, 13960, 15007, 19952, 20242, 22336, 24940, 27920, 30014, 39904, 40484, 49880, 50605, 55840, 60028, 75035, 79808, 80968, 99760, 101210, 111680, 120056, 150070, 161936, 199520, 202420, 240112, 300140, 323872, 399040, 404840, 435203, 480224, 600280, 647744, 809680, 870406, 960448, 1200560, 1619360, 1740812, 2176015, 2401120, 3238720, 3481624, 4352030, 4802240, 6963248, 8704060, 13926496, 17408120, 27852992, 34816240, 69632480, 139264960]

約数ペア:

[(1, 139264960), (2, 69632480), (4, 34816240), (5, 27852992), (8, 17408120), (10, 13926496), (16, 8704060), (20, 6963248), (29, 4802240), (32, 4352030), (40, 3481624), (43, 3238720), (58, 2401120), (64, 2176015), (80, 1740812), (86, 1619360), (116, 1200560), (145, 960448), (160, 870406), (172, 809680), (215, 647744), (232, 600280), (290, 480224), (320, 435203), (344, 404840), (349, 399040), (430, 323872), (464, 300140), (580, 240112), (688, 202420), (698, 199520), (860, 161936), (928, 150070), (1160, 120056), (1247, 111680), (1376, 101210), (1396, 99760), (1720, 80968), (1745, 79808), (1856, 75035), (2320, 60028), (2494, 55840), (2752, 50605), (2792, 49880), (3440, 40484), (3490, 39904), (4640, 30014), (4988, 27920), (5584, 24940), (6235, 22336), (6880, 20242), (6980, 19952), (9280, 15007), (9976, 13960), (10121, 13760), (11168, 12470)]