73438240

素因数分解:

$2^5\times 5^1\times {\mathrm{277}}^1\times {\mathrm{1657}}^1$

素因数の和:1949

約数の個数: 48

約数和(自身を含む): 174229272

約数和(自身を除く): 100791032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 277, 554, 1108, 1385, 1657, 2216, 2770, 3314, 4432, 5540, 6628, 8285, 8864, 11080, 13256, 16570, 22160, 26512, 33140, 44320, 53024, 66280, 132560, 265120, 458989, 917978, 1835956, 2294945, 3671912, 4589890, 7343824, 9179780, 14687648, 18359560, 36719120, 73438240]

約数ペア:

[(1, 73438240), (2, 36719120), (4, 18359560), (5, 14687648), (8, 9179780), (10, 7343824), (16, 4589890), (20, 3671912), (32, 2294945), (40, 1835956), (80, 917978), (160, 458989), (277, 265120), (554, 132560), (1108, 66280), (1385, 53024), (1657, 44320), (2216, 33140), (2770, 26512), (3314, 22160), (4432, 16570), (5540, 13256), (6628, 11080), (8285, 8864)]