320415872

素因数分解:

$2^7\times 7^1\times {\mathrm{277}}^1\times {\mathrm{1291}}^1$

素因数の和:1589

約数の個数: 64

約数和(自身を含む): 732719040

約数和(自身を除く): 412303168

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 277, 448, 554, 896, 1108, 1291, 1939, 2216, 2582, 3878, 4432, 5164, 7756, 8864, 9037, 10328, 15512, 17728, 18074, 20656, 31024, 35456, 36148, 41312, 62048, 72296, 82624, 124096, 144592, 165248, 248192, 289184, 357607, 578368, 715214, 1156736, 1430428, 2503249, 2860856, 5006498, 5721712, 10012996, 11443424, 20025992, 22886848, 40051984, 45773696, 80103968, 160207936, 320415872]

約数ペア:

[(1, 320415872), (2, 160207936), (4, 80103968), (7, 45773696), (8, 40051984), (14, 22886848), (16, 20025992), (28, 11443424), (32, 10012996), (56, 5721712), (64, 5006498), (112, 2860856), (128, 2503249), (224, 1430428), (277, 1156736), (448, 715214), (554, 578368), (896, 357607), (1108, 289184), (1291, 248192), (1939, 165248), (2216, 144592), (2582, 124096), (3878, 82624), (4432, 72296), (5164, 62048), (7756, 41312), (8864, 36148), (9037, 35456), (10328, 31024), (15512, 20656), (17728, 18074)]