268439680

素因数分解:

$2^7\times 5^1\times {\mathrm{607}}^1\times {\mathrm{691}}^1$

素因数の和:1317

約数の個数: 64

約数和(自身を含む): 643726080

約数和(自身を除く): 375286400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 607, 640, 691, 1214, 1382, 2428, 2764, 3035, 3455, 4856, 5528, 6070, 6910, 9712, 11056, 12140, 13820, 19424, 22112, 24280, 27640, 38848, 44224, 48560, 55280, 77696, 88448, 97120, 110560, 194240, 221120, 388480, 419437, 442240, 838874, 1677748, 2097185, 3355496, 4194370, 6710992, 8388740, 13421984, 16777480, 26843968, 33554960, 53687936, 67109920, 134219840, 268439680]

約数ペア:

[(1, 268439680), (2, 134219840), (4, 67109920), (5, 53687936), (8, 33554960), (10, 26843968), (16, 16777480), (20, 13421984), (32, 8388740), (40, 6710992), (64, 4194370), (80, 3355496), (128, 2097185), (160, 1677748), (320, 838874), (607, 442240), (640, 419437), (691, 388480), (1214, 221120), (1382, 194240), (2428, 110560), (2764, 97120), (3035, 88448), (3455, 77696), (4856, 55280), (5528, 48560), (6070, 44224), (6910, 38848), (9712, 27640), (11056, 24280), (12140, 22112), (13820, 19424)]